Langdon; John E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Langdon; John E..The latest application filed is for "process for dispersing nanocatalysts into petroleum-bearing formations".

Company Profile

0.4.5

Langdon; John E. - Fort Worth 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
Process for dispersing nanocatalysts into petroleum-bearing formations Grant 8,584,752 - Langdon , et al. November 19, 2	2013-11-19
Process For Dispersing Nanocatalysts Into Petroleum-bearing Formations App 20130075092 - Langdon; John E. ; et al.	2013-03-28
Process for dispersing nanocatalysts into petroleum-bearing formations Grant 8,336,623 - Langdon , et al. December 25, 2	2012-12-25
Process For Dispensing Nanocatalysts Into Petroleum-bearing Formations App 20100200232 - Langdon; John E. ; et al.	2010-08-12
System, method and apparatus for hydrogen-oxygen burner in downhole steam generator Grant 7,770,646 - Klassen , et al. August 10, 2	2010-08-10
Process for dispersing nanocatalysts into petroleum-bearing formations Grant 7,712,528 - Langdon , et al. May 11, 2	2010-05-11
Process For Dispersing Nanocatalysts Into Petroleum-bearing Formations App 20080217008 - Langdon; John E. ; et al.	2008-09-11
System, Method And Apparatus For Hydrogen-oxygen Burner In Downhole Steam Generator App 20080083537 - Klassen; Michael ; et al.	2008-04-10

Company Registrations

SEC

0001084882

LANGDON JOHN E

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.