Gas restrictor for pump
US7980314B2 · kind B2 · utility
13Cited by
4References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 20, 2008 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Jan 13, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2/1071
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An inlet apparatus for a well pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.