Wu; An-Ming
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wu; An-Ming.The latest application filed is for "emulsified polymer drilling fluid and methods of preparation".
- Wu; An-Ming - Calgary CA
| Patent | Date |
|---|---|
| Emulsified polymer drilling fluid and methods of preparation Grant 9,051,504 - Brockhoff , et al. June 9, 2 | 2015-06-09 |
| Emulsified Polymer Drilling Fluid And Methods Of Preparation App 20130045896 - Brockhoff; Jay ; et al. | 2013-02-21 |
| Emulsified polymer drilling fluid and methods of preparation Grant 8,293,686 - Wu , et al. October 23, 2 | 2012-10-23 |
| Emulsified polymer drilling fluid and methods of preparation Grant 7,951,755 - Wu , et al. May 31, 2 | 2011-05-31 |
| Drilling fluid composition comprising hydrophobically associating polymers and methods of use thereof Grant 7,879,768 - Wu February 1, 2 | 2011-02-01 |
| Drilling Fluid Composition Comprising Hydrophobically Associating Polymers And Methods Of Use Thereof App 20090011960 - Wu; An Ming | 2009-01-08 |
| Emulsified Polymer Drilling Fluid And Methods Of Preparation App 20080026954 - Wu; An-Ming ; et al. | 2008-01-31 |
| Emulsified polymer drilling fluid and methods of preparation and use thereof App 20040116304 - Wu, An-Ming ; et al. | 2004-06-17 |
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.
| 