Tubular valve system and method
US8281865B2 · kind B2 · utility
3Cited by
32References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2009 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | May 9, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87499
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A tubular valve system includes, a tubular, a primary valve actuatable to control occlusion of at least one port fluidically connecting an inner bore of the tubular with an outside of the tubular, and a contingency valve actuatable to control occlusion of at least one port fluidically connecting the inner bore with the outside of the tubular.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.