Doug Enderle

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Humble, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Abutments for threaded connections
- Patent number 10,704,338
- Issue date Jul 7, 2020
- Hydril Company
- Doug R. Enderle
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Threaded connection with variable flank angles
- Patent number 7,475,917
- Issue date Jan 13, 2009
- Hydril Company
- Robert S. Sivley, IV
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Two-step, low torque wedge thread for tubular connector
- Patent number 6,270,127
- Issue date Aug 7, 2001
- Hydril Company
- Doug Enderle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Two-step, low torque wedge thread for tubular connector
- Patent number 6,174,001
- Issue date Jan 16, 2001
- Hydril Company
- Doug Enderle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Two-step, differential diameter wedge threaded connector
- Patent number 6,123,368
- Issue date Sep 26, 2000
- Hydril Company
- Doug Enderle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stress reduction groove for tubular connection
- Patent number 6,050,610
- Issue date Apr 18, 2000
- Hydril Company
- Doug Enderle
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ABUTMENTS FOR THREADED CONNECTIONS
- Publication number 20180340378
- Publication date Nov 29, 2018
- Hydril Company
- Doug R. Enderle
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Threaded connection with variable flank angles
- Publication number 20070228730
- Publication date Oct 4, 2007
- Robert S. Sivley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...