Brown; Irvine C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brown; Irvine C..The latest application filed is for "pressure equalising devices".
- Brown; Irvine C. - Aberdeen N/A GB
| Patent | Date |
|---|---|
| Downhole apparatus having a rotating valve member Grant 8,522,886 - Christie , et al. September 3, 2 | 2013-09-03 |
| Valve Grant 8,316,953 - Reid , et al. November 27, 2 | 2012-11-27 |
| Protection sleeve Grant 8,201,622 - Reid , et al. June 19, 2 | 2012-06-19 |
| Pressure equalising devices Grant 8,191,629 - Gordon , et al. June 5, 2 | 2012-06-05 |
| Pressure Equalising Devices App 20110203789 - Gordon; Stuart ; et al. | 2011-08-25 |
| Electronic completion installation valve Grant 7,967,071 - Brown June 28, 2 | 2011-06-28 |
| Downhole tools App 20100147531 - Reid; Michael A. ; et al. | 2010-06-17 |
| Protection Sleeve App 20090314492 - Reid; Michael A. ; et al. | 2009-12-24 |
| Electronic completion installation valve App 20090218104 - Brown; Irvine C. | 2009-09-03 |
| Pressure Equalising Devices App 20090218095 - Gordon; Stuart ; et al. | 2009-09-03 |
| Valve App 20090071658 - Reid; Michael A. ; et al. | 2009-03-19 |
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