32results about How to "Inexpensive, dependable and effective" patented technology

A roof curb is shipped in a disassembled state to an installer who assembles, sizes, locates and configures the curb to accommodate slope on any roof without welding or metal cutting. The curb includes an aluminum walls, each having a channel for receiving the bottom edge of a board, which may be taper cut according to the pitch of the roof to provide a level surface for supporting an appliance. Methods of making and installing the roof curb also are disclosed.

An embodiment configured according to principles of the invention includes a plate defining a hexagon having a base parallel with joint between concrete slabs. Another embodiment includes a hexagon-shaped plate having a first portion and a second portion, and a form having a slot configured to closely receive the second portion.

An embodiment configured according to principles of the invention of an apparatus for forming concrete includes a form having a slot configured to closely receive a plate in only one direction. An embodiment configured according to principles of the invention of an apparatus for transferring a load between a first concrete slab and a second concrete slab, defining a joint, includes a plate having a first portion and a second portion, wherein the second portion has a first segment and a second segment that is larger than the first segment.

An embodiment configured according to principles of the invention includes a plate defining a hexagon having a base parallel with joint between concrete slabs. Another embodiment includes a hexagon-shaped plate having a first portion and a second portion, and a form having a slot configured to closely receive the second portion.

Disclosed is a method of denitrifying a solution including introducing into the solution an amount of a carbon source within a duration and at a frequency so that indigenous heterotrophic bacteria deplete dissolved oxygen in the solution and obtain oxygen from nitrate in the solution. Related apparatuses and compounds also are disclosed.

Disclosed is an apparatus for denitrifying a solution that includes a denitrification tank configured to receive a portion of the solution for a period of time. Controlling an amount, duration and frequency of introduction of polyethylene glycol into the solution promotes indigenous heterotrophic bacteria depleting dissolved oxygen in the solution and obtaining oxygen from nitrate in the solution.

An embodiment configured according to principles of the invention of an apparatus for transferring a load between a first concrete slab and a second concrete slab, defining a joint, includes a plate configured to transfer a load between concrete slabs, a form having a slot configured to closely receive a first portion of the plate prior to pouring concrete thereon, and a sheath configured to receive a second portion of the plate. An embodiment configured according to principles of the invention of a method of forming concrete includes providing a plate configured to transfer a load between concrete slabs; providing a form having a slot configured to closely receive a first portion of the plate; positioning the form to receive concrete; inserting the first portion in the slot wherein a second portion of the plate is exposed; pouring a first volume of concrete on the form and the second portion; curing the first volume of concrete and defining a first slab; removing the form from the first slab and exposing the first portion; and disposing a sheath on the first portion. An embodiment configured according to principles of the invention of a method of forming concrete includes providing a plate configured to transfer a load between concrete slabs; providing a form having a slot configured to closely receive a first portion of the plate; positioning the form to receive concrete; inserting the first portion in the slot wherein a second portion of the plate is exposed; disposing a sheath on the second portion; pouring a first volume of concrete on the form and the sheath; and curing the first volume of concrete and defining a first slab. An embodiment configured according to principles of the invention of a method of forming concrete includes providing a form configured to secure a sheath thereto, thereby orienting an exterior of the sheath for contacting concrete when poured thereon; positioning the form to receive concrete; securing the sheath to the form; pouring a first volume of concrete on the form and the exterior; and curing the first volume of concrete and defining a first slab.

An embodiment configured according to principles of the invention includes a first layer of kraft pulp board bonded on a second layer. The second layer includes a thermally or latex bonded layer of airlaid.

Apparatus for holding a jetter cup having an opening, includes a peg having a first portion, a second portion and a third portion interposed between and larger than the first portion and the second portion, wherein the third portion is larger than the opening of the jetter cup.

Disclosed is a method of denitrifying a solution including introducing into the solution an amount of a carbon source within a duration and at a frequency so that indigenous heterotrophic bacteria deplete dissolved oxygen in the solution and obtain oxygen from nitrate in the solution. Related apparatuses and compounds also are disclosed.

An apparatus for forming concrete includes a form having a slot configured to closely receive a plate. The slot is defined by one or more annular surfaces having central axes perpendicular to a direction in which the slot receives the plate. A method for forming same includes providing a sheet of form material; disposing a release layer on the sheet; cutting the sheet into a plurality of forms having a predetermined form height; and cutting a slot in each of each of the plurality of forms. Another apparatus for forming concrete includes a plate having a first portion and a second portion. A coating is disposed on the first portion. When disposed in a joint defined by a first volume of concrete and a second volume of concrete, the first volume of concrete adheres only to the coating and the second volume of concrete adheres only to the second portion. A method for forming concrete includes providing a plate having a coated first portion and a second portion; providing a form having a slot configured to closely receive the second portion; inserting the second portion in the slot; positioning the form to receive concrete; pouring a volume of concrete on the form and the first portion; curing the volume of concrete and defining cured concrete; and removing the form from the cured concrete. The plate remains in the cured concrete.