Selectively closable ventilation opening
US12270566B2 · kind B2 · utility
0Cited by
29References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2019 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Apr 3, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2013/1473
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A ventilation assembly having a moveable trim moveable between an open position in which the moveable trim defines a gap with a ceiling trim to allow movement of fluid and a closed position in which the moveable trim is against or adjacent to the ceiling trim to eliminate or reduce the gap and prevent or limit fluid flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.