Chitwood; Gregory B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chitwood; Gregory B..The latest application filed is for "annular isolators for expandable tubulars in wellbores".
- Chitwood; Gregory B. - Dallas TX
| Patent | Date |
|---|---|
| Annular isolators for expandable tubulars in wellbores Grant RE41,118 - Brezinski , et al. February 16, 2 | 2010-02-16 |
| Annular Isolators for Expandable Tubulars in Wellbores App 20080251250 - Brezinski; Michael M. ; et al. | 2008-10-16 |
| Annular isolators for expandable tubulars in wellbores Grant 7,404,437 - Brezinski , et al. July 29, 2 | 2008-07-29 |
| Annular isolators for expandable tubulars in wellbores Grant 7,363,986 - Brezinski , et al. April 29, 2 | 2008-04-29 |
| Annular isolators for expandable tubulars in wellbores Grant 7,299,882 - Brezinski , et al. November 27, 2 | 2007-11-27 |
| Annular Isolators for Expandable Tubulars in Wellbores App 20070267201 - Brezinski; Michael M. ; et al. | 2007-11-22 |
| Annular isolators for expandable tubulars in wellbores Grant 7,264,047 - Brezinski , et al. September 4, 2 | 2007-09-04 |
| Annular isolators for expandable tubulars in wellbores Grant 7,252,142 - Brezinski , et al. August 7, 2 | 2007-08-07 |
| Annular Isolators for Expandable Tubulars in Wellbores App 20070114044 - Brezinski; Michael M. ; et al. | 2007-05-24 |
| Annular Isolators for Expandable Tubulars in Wellbores App 20070114018 - Brezinski; Michael M. ; et al. | 2007-05-24 |
| Annular Isolators for Expandable Tubulars in Wellbores App 20070114019 - Brezinski; Michael M. ; et al. | 2007-05-24 |
| Annular Isolators for Expandable Tubulars in Wellbores App 20070114016 - Brezinski; Michael M. ; et al. | 2007-05-24 |
| Expandable sand control screen and method for use of same Grant 7,048,048 - Nguyen , et al. May 23, 2 | 2006-05-23 |
| Case hardened stainless steel oilfield tool App 20050269074 - Chitwood, Gregory B. | 2005-12-08 |
| Annular isolators for expandable tubulars in wellbores App 20050092485 - Brezinski, Michael M. ; et al. | 2005-05-05 |
| Annular isolators for expandable tubulars in wellbores Grant 6,854,522 - Brezinski , et al. February 15, 2 | 2005-02-15 |
| Expandable sand control screen and method for use of same App 20040261994 - Nguyen, Philip D. ; et al. | 2004-12-30 |
| Annular isolators for expandable tubulars in wellbores App 20040055758 - Brezinski, Michael M. ; et al. | 2004-03-25 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 