Siem Wis AS
Patent Applications and Registrations
Patent applications and USPTO patent grants for Siem Wis AS.The latest application filed is for "pressure accumulator to establish sufficient power to handle and operate external equipment and use thereof".
- Siem Wis AS - Knarrevik NO
- SIEM WIS AS -
| Patent | Date |
|---|---|
| Grinding arrangement for tool joints on a drill string Grant 8,997,851 - Edvardsen , et al. April 7, 2 | 2015-04-07 |
| Sealing arrangement, and corresponding method Grant 8,985,229 - Edvardsen , et al. March 24, 2 | 2015-03-24 |
| Pressure accumulator to establish sufficient power to handle and operate external equipment and use thereof Grant 8,474,253 - Askeland July 2, 2 | 2013-07-02 |
| Device and method for maintaining constant pressure on, and flow drill fluid, in a drill string Grant 8,403,034 - Askeland , et al. March 26, 2 | 2013-03-26 |
| System and method for dynamic sealing of a drill string Grant 8,100,189 - Edvardson , et al. January 24, 2 | 2012-01-24 |
| Seal for a drill string Grant 8,066,062 - Edvardsen , et al. November 29, 2 | 2011-11-29 |
| Pressure accumulator to establish sufficient power to handle and operate external equipment and use thereof App 20090211239 - Askeland; Tom Kjetill | 2009-08-27 |
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.
| 