Conduit for pressurizing plumbing systems and supplying zantifree plumbing systems
US6237620A · kind A · utility
10Cited by
13References
6Claims
0Family size
Inventor
Key dates
| Filing date | Dec 6, 1999 |
| Grant date | May 29, 2001 |
| Priority date | — |
| Expiry date | Dec 6, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/6855
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Novel combination conduit and reservoir connector adapted for connecting to and/introducing compressed air to purge water from a plumbing system and to then introduce antifreeze into said plumbing system in a simple and expeditious manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.