Faucet and water pipe freeze-protection device
US5797416A · kind A · utility
5Cited by
8References
17Claims
0Family size
Inventor
Key dates
| Filing date | Jan 2, 1997 |
| Grant date | Aug 25, 1998 |
| Priority date | — |
| Expiry date | Jan 2, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/5497
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A device which protects water faucets and water pipes to which they are attached from freezing or breaking due to freezing of water contained therein. The device comprises a closed-ended nipple which is axially and/or radially expandable to accommodate freezing of water contained therein when the nipple is attached to the open end of a faucet or sillcock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.