% Expired Patents = 25.0

Trademarks = 29

Forward Citations = 131

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5 inventors (with patents filed for the assignee):

James K Middlebrook (17 out of 21 patents)

Robert G Anderson (7 out of 77 patents)

Gregory S Graham (3 out of 16 patents)

4. Michael W Reagan (2 out of 2 patents)

5. Matthew L Shemenski (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. D950681 - Pressure relief valve (2022-05-03),

2. D949922 - Pressure relief valve (2022-04-26),

3. 11149867 - Pressure relief valve (2021-10-19),

4. 11079025 - Pressure relief valve apparatus, system and method (2021-08-03),

5. 10975885 - Centrifugal compressor (2021-04-13),

6. 10907744 - Pressure relief valve (2021-02-02),

7. 10724544 - Centrifugal compressor (2020-07-28),

8. 10704699 - Valve apparatus, system and method (2020-07-07),

9. 10642288 - Pressure relief valve apparatus, system and method (2020-05-05),

10. 8245700 - Supercharger (2012-08-21),

11. 8028524 - Supercharger with oil slinger and baffles (2011-10-04),

12. 7757675 - Supercharger (2010-07-20),

13. 7384247 - High-speed, belt-driven industrial blower (2008-06-10),

14. 7128061 - Supercharger (2006-10-31),

15. 7029244 - High-speed, belt-driven industrial blower (2006-04-18),

Company Overview

Vortech Engineering, Inc. is a specialized engineering firm based in Oxnard, California, focusing on advanced engineering solutions for various industries. The company excels in the development and manufacturing of innovative products, particularly in the fields of aerospace, defense, and automotive engineering. With a commitment to quality and precision, Vortech Engineering leverages cutting-edge technology and research to deliver high-performance solutions tailored to meet the evolving needs of its clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

20 Patents

#10 in Oxnard, CA

#3,933 in California

#16,382 in US

#31,233 in the World

Oxnard, CA, United States of America

Vortech Engineering, Inc.

Forward Citations = 131

5 inventors:

James K Middlebrook (17 out of 21 patents)

Robert G Anderson (7 out of 77 patents)

Gregory S Graham (3 out of 16 patents)

4. Michael W Reagan (2 out of 2 patents)

5. Matthew L Shemenski (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vortech Engineering, Inc.. Retrieved from https://idiyas.com/company/vortech-engineering

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]