LaFleur; Karl K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for LaFleur; Karl K..The latest application filed is for "filling and circulating apparatus for subsurface exploration".
- LaFleur; Karl K. - Weatherford TX
| Patent | Date |
|---|---|
| Filling and circulating apparatus for subsurface exploration Grant 6,978,844 - LaFleur December 27, 2 | 2005-12-27 |
| Filling and circulating apparatus for subsurface exploration App 20050000695 - LaFleur, Karl K. | 2005-01-06 |
| Pressure relief valve Grant 6,510,867 - LaFleur January 28, 2 | 2003-01-28 |
| Mudsaver valve Grant 6,460,620 - LaFleur October 8, 2 | 2002-10-08 |
| Mudsaver valve App 20020096334 - LaFleur, Karl K. | 2002-07-25 |
| Pressure relief valve App 20020059955 - LaFleur, Karl K. | 2002-05-23 |
| Cementing plug Grant 5,435,386 - LaFleur July 25, 1 | 1995-07-25 |
| Cementing plug Grant 5,433,270 - LaFleur July 18, 1 | 1995-07-18 |
| Cementing plug Grant 5,311,940 - LaFleur May 17, 1 | 1994-05-17 |
| Cementing plug Grant 5,242,018 - LaFleur September 7, 1 | 1993-09-07 |
| Coupling apparatus Grant 5,152,554 - LaFleur , et al. October 6, 1 | 1992-10-06 |
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.
| 