Forward Citations = 168

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5 inventors (with patents filed for the assignee):

Mathew B Riordan (3 out of 3 patents)

Donald L Baker (2 out of 17 patents)

Jack T Thompson (2 out of 2 patents)

4. Gregory D Linville (2 out of 3 patents)

5. Philip K Schultz (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5550411 - Downhole instrument power supply system using shunt voltage regulation (1996-08-27),

2. 5550331 - System and method of protecting instruments from down-hole fluids (1996-08-27),

3. 5493626 - Reduced diameter down-hole instrument electrical/optical fiber cable (1996-02-20),

4. 5440081 - System and method of protecting optical elements from down-hole fluids (1995-08-08),

5. 5402165 - Dual lighting system and method for a video logging (1995-03-28),

6. 5355128 - Video logging system having an optical communications link (1994-10-11),

7. 5202944 - Communication and power cable (1993-04-13),

8. 5140319 - Video logging system having remote power source (1992-08-18),

Company Overview

Westech Geophysical, Inc. is a leading provider of geophysical services for the oil and gas industry. With over 30 years of experience, the company offers a wide range of services including seismic data acquisition, processing, and interpretation. Westech Geophysical is known for its expertise in providing accurate and reliable data to help clients make informed decisions about oil and gas exploration and production projects.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#19 in Ventura, CA

#8,543 in California

#35,941 in US

Ventura, CA, United States of America

Westech Geophysical, Inc.

Forward Citations = 168

5 inventors:

Mathew B Riordan (3 out of 3 patents)

Donald L Baker (2 out of 17 patents)

Jack T Thompson (2 out of 2 patents)

4. Gregory D Linville (2 out of 3 patents)

5. Philip K Schultz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Westech Geophysical, Inc.. Retrieved from https://idiyas.com/company/westech-geophysical

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]