Locking cap for fire department connections
US11821565B2 · kind B2 · utility
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115References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Mar 5, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L57/005
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A locking cap may be selectively locked into place within a tubular opening, such as the open end of a standpipe used to charge a building sprinkler system. The locking cap may have a plug portion. A friction load can be used to limit the unauthorized removal of the plug portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.