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Run your analysis now →https://eureka.patsnap.com/resources/blog/rd-blog/dehumidification-control-sequencing-algorithm-patent-landscape/ · Patsnap · data cut-off 2026-10-15 · downloaded from the live page
Patent Landscape · Smart Buildings & Urban InfrastructureDehumidification Control Sequencing Algorithm Patents
13 patent families and 31 records on dehumidification control sequencing, with filer spread and filing history.
31
Published Records
13
Simple Patent Families
39%
In Force at Cut-off
US
Leading Jurisdiction
31 published records collapse into 13 simple (DOCDB) families; the difference is the same invention filed in more than one country. In force = 12 of 31 records still granted and maintained at the data cut-off; the rest are pending, withdrawn, refused or lapsed.
- 13 simple patent families and 31 published records make up this search, with no date limit applied to the query.
- Bright Data Ltd holds the largest single-row share named on 2 of the 13 families (15.4%), with 11 of 11 listed filers holding 2 or fewer families each.
- 12 of 31 records were granted and in force at retrieval (39%), a legal-status snapshot rather than a measure of outcome quality.
Published byPatsnap Research··6 min readSourced from Patsnap Eureka
Overview
What this search covers
This page reports results for the search string TAC:((dehumidif* AND sequenc* AND control AND ("building automation" OR HVAC))), matched against patent titles, abstracts and claims. It returns 13 simple patent families and 31 published records, with no start or end date applied to the query. The receiving-office breakdown shows where applications were filed, not where any filer is based.
This is a small pool: 13 families is not enough to support conclusions about concentration, growth or gaps in coverage. Treat the numbers here as a starting point for a more targeted search rather than a map of the field.
Records vs. families in scope
Counted over all 31 published records, including filings from before 2016; the filing-trend chart below covers only the 28 records from 2016 onward, so the two charts are not the same set of documents. Ordered by volume only, not by importance or claim strength. Counted in simple (DOCDB) patent families, so one invention filed in several countries counts once. Names come from Patsnap's standardised assignee field as recorded on each document; subsidiaries and group companies are not merged. The icon before each name is read from the name itself (words such as University, Institute or Ltd); the data carries no organisation-type field, so treat it as a reading aid rather than a classification. Filings held by named individuals rather than organisations are removed where they can be identified (4 here); that identification is not exhaustive, so an individually held filing can still appear below. Either way those filings stay inside the totals above. This table shows the top 11 of the 11 filers returned for this search; the data endpoint returns at most 100 entities, so even that 11 is not the complete set of filers. A single family can name more than one filer, so these counts overlap and do not add up to the total.
Source: Patsnap Eureka. Assignee ranking and totals. Derived from one Patsnap search for Dehumidification Control Sequencing Algorithm Patent Landscape, covering all matching records regardless of filing date (the search string sets no date limit), retrieved 2026-10-15. Counts cover published records only and move as new filings publish.Run this in Eureka MCP
Data
Filing history and technology split
Two views of the same 13 families: when the underlying records were filed, and which IPC subclasses they carry.
Filing trend by earliest filing year (published records) (28 of 31 published records)
Records run from 2016 to 2026, with a peak of 8 records in 2019. Years from 2022 onward are still filling in because of publication lag, so the most recent years understate the eventual count and no growth or decline should be read into them.
Counted in published records by earliest filing year, not de-duplicated into families. A filing is counted in the year it was filed, but it only becomes visible after it publishes: roughly 18 months for most routes, and up to 30 months where a PCT application enters national phase. 2022 onwards are therefore still filling in and are shaded; no growth figure on this page uses them. Because this series counts documents rather than inventions, a rise can mean more inventions or the same inventions filed in more countries; this dataset cannot separate the two. This chart covers 2016-2026 (28 records); the 31 total quoted above includes earlier filings outside the window.
IPC subclass composition (share of 13 families)
F24F (air conditioning & ventilation) appears on 6 of the 13 families (46.2%), the highest share of any subclass here. B01D (separation processes) appears on 2 of the 13 (15.4%). Because a family can carry more than one class, shares add up to over 100% and should not be read as a partition of the dataset.
Shares are the percentage of the 13 patent families in scope. One patent family can carry several IPC classes, so the shares add up to more than 100%.
Source: Patsnap Eureka. Filing trend and technology composition. Derived from one Patsnap search for Dehumidification Control Sequencing Algorithm Patent Landscape, covering all matching records regardless of filing date (the search string sets no date limit), retrieved 2026-10-15. Counts cover published records only and move as new filings publish.
Go deeper on Dehumidification Control Sequencing Algorithm Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about dehumidification control sequencing algorithm patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaRecord in focus
One record from the result set
First record returned, default database order
Control of residential HVAC equipment for dehumidification
TRANE INTERNATIONAL INC.
The abstract describes an HVAC system with a system controller and an indoor air handling unit that includes an auxiliary heat source. The controller is described as employing a hysteresis control algorithm to run the system in cooling mode while simultaneously running the auxiliary heat source, producing a dehumidified, temperature-conditioned airflow to a conditioned zone.This is simply the first record returned under default database ordering, not the most cited, newest or broadest filing in the set. What the granted claims actually require has to be read from the claim set itself, not inferred from this abstract.
Selected as the first record the search returns under the database default order, then shown in full. It is not ranked by citations, claim breadth or commercial importance, and it is not a judgement about which filing in this space matters most.
Source: Patsnap Eureka. The first record the search returned, shown in full. Derived from one Patsnap search for Dehumidification Control Sequencing Algorithm Patent Landscape, covering all matching records regardless of filing date (the search string sets no date limit), retrieved 2026-10-15. Counts cover published records only and move as new filings publish.Run this in Eureka MCP
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What the figures show
Three figures taken directly from the dataset, each reported with the unit it was counted in.
Scale
13 families / 31 records
families vs. records
Two different counts of the same search
The search returns 13 simple patent families and 31 published records. A family counts one invention regardless of how many countries it was filed in; a record counts each publication separately, so the same invention can appear several times in the record total.
No date limit was applied to the search string.
Filer spread
15.4%
largest single-row share
Bright Data Ltd named on 2 of 13 families
Bright Data Ltd is named on 2 of the 13 families in scope (15.4%), the largest single-row figure among the 11 listed filers. The other 10 listed filers each hold 2 or fewer families. Filer rows are not rolled up to corporate group and are not summed here.
11 of 11 listed filers hold 2 or fewer families each.
Legal status
12 of 31
records granted and in force
39% of records were in force at retrieval
12 of the 31 published records were granted and still in force on the retrieval date of 2026-10-15. The remaining records sit in other statuses that are not broken out individually here. In-force status is a snapshot, not a measure of how any filing fared.
Status recorded as of 2026-10-15.
Classification
46.2%
families carrying F24F
F24F appears on 6 of 13 families
F24F, air conditioning & ventilation, is carried by 6 of the 13 families (46.2%), the highest share among the subclasses named on this page. B01D, separation processes, is carried by 2 of 13 (15.4%). Because one family can carry multiple IPC classes, these shares are not mutually exclusive.
15 IPC subclasses were returned in total; only the largest are discussed here.
Eureka AI Agent
Looking for what nobody has claimed yet?
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to dehumidification control sequencing algorithm patent landscape, with the prior art for and against each one.
Source: Patsnap Eureka. Derived observations on the same dataset. Derived from one Patsnap search for Dehumidification Control Sequencing Algorithm Patent Landscape, covering all matching records regardless of filing date (the search string sets no date limit), retrieved 2026-10-15. Counts cover published records only and move as new filings publish.Run this in Eureka MCP
Next steps
Taking this further
This page is a starting point built from one search string. A focused review would go further in a few directions.
Pull the granted claims
Family counts and abstracts cannot establish what any patent covers. Reading the granted claims of the records that matter to you is the only way to assess scope.
Explore in Eureka →Widen or narrow the search string
A 13-family result is sensitive to the exact terms used. Adjusting the string could surface related filings this query missed, or confirm that this set is already narrow.
Run a new search in Eureka →Check legal status record by record
39% of records were in force at retrieval, but that figure blends several underlying statuses. Reviewing status per record gives a clearer picture for any filing you are tracking.
Check status in Eureka →Source: Patsnap Eureka. Suggested next steps. No new data: every figure named here is one of those above. Derived from one Patsnap search for Dehumidification Control Sequencing Algorithm Patent Landscape, covering all matching records regardless of filing date (the search string sets no date limit), retrieved 2026-10-15. Counts cover published records only and move as new filings publish.Run this in Eureka MCP
FAQ
Questions practitioners ask about this set
This search returns 13 simple patent families and 31 published records, with no date limit applied. A family counts one invention regardless of how many countries it was filed in, while a record counts each publication, so the same invention can show up multiple times in the record total. These figures describe what this specific search string returned, not a count of every patent that might relate to the topic, since a different search string could return a different set.
The search returns 11 listed filers, ordered by family count, with Bright Data Ltd named on 2 of the 13 families (15.4%), the largest single-row figure in the list. The other 10 listed filers each hold 2 or fewer families. Filer names are not rolled up to corporate group, so a parent and its subsidiaries would appear as separate rows, and these rows are not summed into a combined share anywhere on this page because one family can name more than one filer.
Published records in this search run from 2016 through 2026, with a peak of 8 records in 2019. Records from 2022 onward are still filling in because of publication lag, which runs up to about 30 months for applications entering national phase, so the most recent years understate their eventual totals. No growth, slowdown or maturity conclusion can be drawn from this trend given how few records fall in each year.
Among the IPC subclasses returned, F24F (air conditioning & ventilation) is carried by 6 of the 13 families in scope (46.2%), the highest share of any subclass here. B01D (separation processes) is carried by 2 of 13 (15.4%). Because a single family can carry more than one IPC class, these shares add up to more than 100% and should not be read as a breakdown that sums to the whole.
At retrieval on 2026-10-15, 12 of the 31 published records in this search were granted and still in force; the remainder sit in other statuses not broken out individually on this page. Legal status is a snapshot at one point in time and changes continuously as patents lapse, get renewed or are challenged. Checking the current status of any specific record directly, rather than relying on an aggregate figure, is the only reliable way to confirm enforceability today.
The search returned 9 receiving offices in total. Among the largest, the United States received 8 published records, WIPO's PCT route received 7, the European Patent Office received 4, and the United Kingdom received 3, counted per record rather than per family since one invention can be filed in several offices. This reflects where applications were filed, not where any filer is based, since no nationality data is included in this dataset.
Answers are grounded in the same dataset. Derived from one Patsnap search for Dehumidification Control Sequencing Algorithm Patent Landscape, covering all matching records regardless of filing date (the search string sets no date limit), retrieved 2026-10-15. Counts cover published records only and move as new filings publish.Run this in Eureka MCP
Research Dehumidification Control Sequencing Algorithm Patent Landscape in depth with Eureka
Go past this page: query the whole dehumidification control sequencing algorithm patent landscape corpus yourself, in your own scope.
Every answer comes back with patent numbers you can open.
How this page was built, and what the numbers do and do not mean
Search. Every figure on this page comes from one Patsnap search, run once and not edited afterwards. This is the exact search string:
TAC:((dehumidif* AND sequenc* AND control AND ("building automation" OR HVAC)))Reading the field codes: TAC searches the title, abstract and claims of each record, not the full description. The search string sets no date limit, so the scope is every matching record in the database regardless of when it was filed. It is not restricted to recent years. How this string was built matters for how far the counts can be pushed. It was generated in batch from a topic list rather than hand-crafted for this page, and the result set is not manually screened. A keyword search over title, abstract and claims both over-captures (unrelated filings that happen to use the same words) and under-captures (the same invention written in different words). This page cannot measure either effect, so read every figure here as what this particular string returned, not as what exists in the field.
What is being counted. Two different units appear on this page and they are not interchangeable. The filer list and the technology split are counted in simple (DOCDB) patent families: one invention counts once however many countries it was filed in. The total, the jurisdiction split and the filing-year chart are counted in published records: the same invention counts once per publication. For this search that is 31 records and 13 families. Record counts reward filing in many jurisdictions; family counts do not. Shares are only ever taken against a denominator in the same unit, and each one names it.
Who the filers are. Names come from Patsnap's standardised assignee field, as recorded on the documents themselves. They are not rolled up to corporate group: a parent and its subsidiaries appear as separate entries, and a portfolio acquired from another company stays under the name on the document unless the assignment is reflected there. This list is meant to carry organisations, not people. Filings held by a named individual are identified by matching the assignee against the inventors on the same search, and, for names written in Chinese, Japanese or Korean characters, by the name carrying no organisational suffix; those are removed from the list (4 of them here). Neither test is exhaustive: the inventor list it matches against is itself capped, and a personal name written in Latin script with no organisational wording in it cannot be told apart from a short company name by rule. So an individually held filing can still appear in the list. Those filings stay inside every total and share on this page either way, so the listed entries can add up to less than the total. A record shown in full further down still names its assignee exactly as the patent office records it, including where that is a person: that name is how the record is identified and checked. What is left out of the ranking is people as ranked entries, not people as cited sources. The table shows the top 11 of the 11 filers returned, ordered by count alone; the data endpoint returns at most 100 entities, so even that 11 is not every filer. One patent family can name several filers and each is counted separately, so these rows are not slices of a divided whole: adding them together over-counts, and this page deliberately publishes no combined "top five" share for that reason. See every filer, individuals included
Dates. The year chart counts by earliest filing year, not publication year. A filing only becomes visible once it publishes: roughly 18 months for most routes, and up to 30 months where a PCT application enters national phase. Measured across these pages, the year four back from today still holds only about 89% of its eventual count. 2022 onwards are therefore shaded on the chart as still filling in. The data behind this page was retrieved on 2026-10-15.
Legal status. "In force" counts documents whose legal status at retrieval was granted and maintained (12 of 31). Everything else is pending, withdrawn, refused, lapsed or not determinable, and those states are not broken out here because the underlying codes do not separate them cleanly. Legal status changes continuously and is reported per document, not per family. Get the status breakdown in Eureka
Classification. The technology split uses IPC subclasses (four characters, for example H01M). A single record usually carries several, so the shares add up to more than 100% and a record can appear in more than one bar. Subclass is a coarse grouping; it describes the field a record was classified into, not what the claims cover. Break the classes down to subgroup level
Who wrote the words. The tables, charts, counts, shares and patent numbers on this page are produced directly from the search result by a program; none of them are written or estimated by a language model. The surrounding prose, headings, FAQ answers and the answers in the question panel are drafted by a language model that is given those same figures and is not permitted to introduce others. Prose can still mis-describe a correct figure, so where the two disagree, the tables and charts are the record.
Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries limitations that apply to every figure above. Recent filings are under-counted, because an application is not public until roughly 18 months after filing and database loading adds further delay. The search string defines and constrains everything shown: records that use different terminology, or that sit outside the fields searched, are absent and cannot be counted. Applicant names, classification codes, legal-status codes and citation records are taken as recorded and may contain errors, duplicates, omissions or stale entries. Ordering by volume is not a measure of quality, scope, enforceability or commercial value, and a larger portfolio is not a stronger one. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, validity or infringement search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. No attorney-client relationship is created by it. Any patent, commercial, or strategic decision should be verified independently against the primary records and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
The question panel. The answers behind the suggested questions on this page were written when the page was generated, not in response to your click. The progress steps that play before an answer appears are an animation of how that analysis was done; nothing is being searched or computed at that moment. Typing your own question instead opens Patsnap Eureka, which does run it live.