Erbstoesser; Steven R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Erbstoesser; Steven R..The latest application filed is for "use of degradable ball sealers to seal casing perforations in well treatment fluid diversion".

Company Profile

0.12.0

Erbstoesser; Steven R. - Missouri City TX
Erbstoesser; Steven R. - Houston TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion Grant 4,716,964 - Erbstoesser , et al. January 5, 1	1988-01-05
Composition for reducing the permeability of subterranean formations Grant 4,526,695 - Erbstoesser , et al. July 2, 1	1985-07-02
Method of controlling displacement of propping agent in fracturing treatments Grant 4,488,599 - Graham , et al. * December 18, 1	1984-12-18
Method of controlling displacement of propping agent in fracturing treatments Grant 4,421,167 - Erbstoesser , et al. December 20, 1	1983-12-20
Polyurethane ball sealers for well treatment fluid diversion Grant 4,407,368 - Erbstoesser * October 4, 1	1983-10-04
Method for reducing the permeability of subterranean formations Grant 4,387,769 - Erbstoesser , et al. June 14, 1	1983-06-14
Method of selective diversion in deviated wellbores using ball sealers Grant 4,287,952 - Erbstoesser September 8, 1	1981-09-08
Method for placing ball sealers onto casing perforations Grant 4,195,690 - Erbstoesser , et al. April 1, 1	1980-04-01
Placement apparatus and method for low density ball sealers Grant 4,194,561 - Stokley , et al. March 25, 1	1980-03-25
Method and apparatus for placing buoyant ball sealers Grant 4,187,909 - Erbstoesser February 12, 1	1980-02-12
Ball sealer diversion of matrix rate treatments of a well Grant 4,160,482 - Erbstoesser , et al. July 10, 1	1979-07-10
Well treatment fluid diversion with low density ball sealers Grant 4,102,401 - Erbstoesser July 25, 1	1978-07-25

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.