Jeffrey D. Herndon

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Bakersfield, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual position isolator seal
- Patent number 11,808,108
- Issue date Nov 7, 2023
- Weatherford Technology Holdings, LLC
- Jeffrey D. Herndon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Liner deployment tool
- Patent number 11,788,366
- Issue date Oct 17, 2023
- Weatherford Technology Holdings, LLC
- Jeffrey D. Herndon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bypass tool
- Patent number 5,829,525
- Issue date Nov 3, 1998
- Bestline Liner Systems, Inc.
- Richard M. Dobson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
LINER DEPLOYMENT TOOL
- Publication number 20240068313
- Publication date Feb 29, 2024
- Jeffrey D. HERNDON
- E21 - EARTH DRILLING MINING
Information Patent Application
LINER DEPLOYMENT TOOL
- Publication number 20240026744
- Publication date Jan 25, 2024
- Jeffrey D. HERNDON
- E21 - EARTH DRILLING MINING
Information Patent Application
DUAL POSITION ISOLATOR SEAL
- Publication number 20230057040
- Publication date Feb 23, 2023
- Weatherford Technology Holdings, LLC.
- Jeffrey D. HERNDON
- E21 - EARTH DRILLING MINING
Information Patent Application
LINER DEPLOYMENT TOOL
- Publication number 20230056868
- Publication date Feb 23, 2023
- Weatherford Technology Holdings, LLC.
- Jeffrey D. HERNDON
- E21 - EARTH DRILLING MINING