Method of controlling a valve
US8355822B2 · kind B2 · utility
18Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2009 |
| Grant date | Jan 15, 2013 |
| Priority date | — |
| Expiry date | Jul 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/9464
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A proximity sensor may be incorporated as part of a water delivery device. A holder may align an optical source and sensor of the proximity sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.