Christopher S. Byrd

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Dalla, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Bearing seal
- Patent number 7,000,712
- Issue date Feb 21, 2006
- Varel International Ltd.
- Christopher S. Byrd
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Breakable washer earth boring bit
- Patent number 6,892,832
- Issue date May 17, 2005
- Varel International, Ltd.
- Christopher S. Byrd
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bearing seal
- Patent number 6,837,317
- Issue date Jan 4, 2005
- Varel International, Ltd.
- Christopher S. Byrd
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rock bit with improved thrust face
- Patent number 5,944,125
- Issue date Aug 31, 1999
- Varel International, Inc.
- Chris S. Byrd
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Bearing seal
- Publication number 20050103531
- Publication date May 19, 2005
- Varel International, Inc., a Delaware corporation
- Christopher S. Byrd
- E21 - EARTH DRILLING MINING
Information Patent Application
Bearing seal
- Publication number 20030094766
- Publication date May 22, 2003
- Varel International, Inc.
- Christopher S. Byrd
- E21 - EARTH DRILLING MINING
Information Patent Application
Breakable washer earth boring bit
- Publication number 20030094312
- Publication date May 22, 2003
- Varel International, Inc.
- Christopher S. Byrd
- E21 - EARTH DRILLING MINING