Tandem rotor helicopter (firefighting)
CN310085885SActive Publication Date: 2026-07-14孙建设
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- 孙建设
- Filing Date
- 2025-12-31
- Publication Date
- 2026-07-14
Smart Images

Figure 000004_ABST
Abstract
1. Name of the product in this design: Tandem Twin-Rotor Helicopter (Firefighting). 2. Intended use of this design: for transportation, deployment, relay base stations, emergency rescue, and fire fighting. 3. The key design features of this product are the combination of shape and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color. 6. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.
Need to check novelty before this filing date? Find Prior Art