Ridley; Richard D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ridley; Richard D..The latest application filed is for "determining the locus of a processing zone in an in situ oil shale retort through a well in the formation adjacent the retort".

Company Profile

0.12.0

Ridley; Richard D. - Bakersfield CA
Ridley; Richard D. - Grand Junction CO

*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
Determining the locus of a processing zone in an in situ oil shale retort through a well in the formation adjacent the retort Grant 4,344,484 - Ridley August 17, 1	1982-08-17
In situ oil shale retort with intermediate gas control Grant 4,239,283 - Ridley December 16, 1	1980-12-16
Ignition of fragmented oil shale below a sill pillar in an in situ oil shale retort Grant 4,153,110 - Ridley May 8, 1	1979-05-08
Two-stage removal of sulfur dioxide from process gas using treated oil shale Grant 4,140,181 - Ridley , et al. February 20, 1	1979-02-20
Determining the locus of a processing zone in an in situ oil shale retort by pressure monitoring Grant 4,120,354 - Ridley , et al. October 17, 1	1978-10-17
Method for preconditioning oil shale preliminary to explosive expansion and in situ retorting thereof Grant 4,109,964 - Ridley August 29, 1	1978-08-29
Removal of sulfur dioxide from process gas using treated oil shale and water Grant 4,093,026 - Ridley June 6, 1	1978-06-06
Forming shale oil recovery retort by blasting into slot-shaped columner void Grant 4,043,596 - Ridley August 23, 1	1977-08-23
Enriching off gas from oil shale retort Grant 4,036,299 - Cha , et al. July 19, 1	1977-07-19
System for fuel and products of oil shale retort Grant 4,014,575 - French , et al. March 29, 1	1977-03-29
Oil collection and recovery system for in situ oil shale retort Grant 4,007,963 - Ridley February 15, 1	1977-02-15
Apparatus for obtaining uniform gas flow through an in situ oil shale retort Grant 3,941,421 - Burton, III , et al. March 2, 1	1976-03-02

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.