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USPTO Data Jan 1 1976 - Oct 13 2026
32 Patents
#2 in Shreveport, LA
#25 in Louisiana
#10,599 in US
#20,671 in the World
W-K-M Wellhead Systems, Inc.
Forward Citations = 445
15 inventors:
Shreveport, LA, United States of America
W-K-M Wellhead Systems, Inc.
Forward Citations = 445
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15 inventors (with patents filed for the assignee):
Clifford M Peters (15 out of 24 patents)
Robert J Diehl (6 out of 9 patents)
William L Godare (5 out of 5 patents)
4. James T Carmichael (3 out of 3 patents)
5. Frederic D Wells, Jr (3 out of 3 patents)
6. Joe G Chambless (2 out of 3 patents)
7. Melvin J Hargraves (2 out of 2 patents)
8. Henry O Tohill (2 out of 2 patents)
9. Allen Roberts (1 out of 13 patents)
10. John P Honaker, Jr (1 out of 1 patent)
11. Donald F Hallden (1 out of 1 patent)
12. L V McCary, Jr (1 out of 1 patent)
13. Herbert O Quebe (1 out of 1 patent)
14. Paul E McGlasson (1 out of 1 patent)
15. John W Knight (1 out of 1 patent)
Core Competencies:
Wellhead Valve
Geothermal Wellhead
Seal Assembly
Control Valve
Fluid Actuator
Pressure Safety System
Baffle Plate
Packing Assembly
Relay Valve
Well Casing Hanger
Fluid Control
Safety Valve
32 patents:
Company Overview
W-K-M Wellhead Systems, Inc. is a prominent manufacturer specializing in wellhead and pressure control equipment for the oil and gas industry. Based in Shreveport, Louisiana, the company focuses on delivering innovative solutions that enhance the safety and efficiency of drilling operations. With a commitment to quality and reliability, W-K-M Wellhead Systems supports various applications in upstream oil and gas exploration, ensuring that their products meet the rigorous demands of the energy sector.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: W-K-M Wellhead Systems, Inc.. Retrieved from https://idiyas.com/company/w-k-m-wellhead-systems
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]
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]
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]