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Trademarks = 4

Forward Citations = 60

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10 inventors (with patents filed for the assignee):

Paul J Lutes (7 out of 7 patents)

Michael Franklin Hughes (4 out of 14 patents)

Ronald A Schuller (3 out of 8 patents)

4. Alan P Tiefenbrun (2 out of 2 patents)

5. James Delwin Gray (2 out of 3 patents)

6. Don Crowder (1 out of 2 patents)

7. Stephen Seymour (1 out of 1 patent)

8. Joseph P Ashurst (1 out of 1 patent)

9. James J Davis (1 out of 1 patent)

10. Michael W Spidell (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 7334597 - Liquid/vapor bypass valve (2008-02-26),

2. 6644039 - Delivery system for liquefied gas with maintained delivery tank pressure (2003-11-11),

3. 6364605 - Regenerative turbine pump (2002-04-02),

4. D453525 - Turbine pump housing (2002-02-13),

5. 6033196 - Rotary pump (2000-03-07),

6. 5921274 - Internal relief and bypass valve for pumps and piping systems (1999-07-13),

7. 5700140 - Pump with improved bearing arrangement for axial position control (1997-12-23),

8. 5431552 - Vane pump (1995-07-11),

Corken, Inc. is a global leader in the design and manufacture of industrial compressors, pumps, and turbine solutions for the liquefied petroleum gas (LPG) and trucking industries. With over 90 years of experience, Corken is known for its high-quality and reliable products that meet the unique needs of customers around the world.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

8 Patents

#39 in Oklahoma City, OK

#181 in Oklahoma

#34,923 in US

Oklahoma City, OK, United States of America

Corken, Inc.