Clyde A. Willis

Person

Portage, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for gripping a down hole tubular for support and rotation
- Patent number 5,297,833
- Issue date Mar 29, 1994
- W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automatic sequencing system for earth drilling machine
- Patent number 5,294,228
- Issue date Mar 15, 1994
- W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Lifting device for down hole tubulars
- Patent number 5,273,388
- Issue date Dec 28, 1993
- W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Feeding device for down hole tubulars
- Patent number 5,259,723
- Issue date Nov 9, 1993
- W-N Apache Corporation
- Clyde A. Willis
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for gripping a down hole tubular for rotation
- Patent number 5,036,927
- Issue date Aug 6, 1991
- W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Line reeving system for earth drilling machine
- Patent number 4,842,250
- Issue date Jun 27, 1989
- W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Top head drive cooling system
- Patent number 4,830,119
- Issue date May 16, 1989
- 501 W-N Apache Corporation
- Keith M. Haney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of assembling a modular drilling machine
- Patent number 4,821,816
- Issue date Apr 18, 1989
- W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Top head drive assembly for earth drilling machine and components t...
- Patent number 4,821,814
- Issue date Apr 18, 1989
- 501 W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Top head drive assembly with axially movable quill
- Patent number 4,815,546
- Issue date Mar 28, 1989
- W-N Apache Corporation
- Keith M. Haney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modular drilling machine and components thereof
- Patent number 4,759,414
- Issue date Jul 26, 1988
- W-N Apache Corporation
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automatic pipe elevator
- Patent number 4,650,236
- Issue date Mar 17, 1987
- W-N Apache Corporation
- Keith M. Haney
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Self locking and unlocking elevator assembly
- Patent number 4,511,169
- Issue date Apr 16, 1985
- Walker-Neer Manufacturing Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Axial return hammer
- Patent number 4,509,606
- Issue date Apr 9, 1985
- Walker-Neer Manufacturing Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Lifting apparatus for down-hole tubulars
- Patent number 4,407,629
- Issue date Oct 4, 1983
- Walker-Neer Manufacturing Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Collapsible pedestal for drilling apparatus
- Patent number 4,407,373
- Issue date Oct 4, 1983
- Walker-Neer Mfg. Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-centering clamp for down-hole tubulars
- Patent number 4,403,897
- Issue date Sep 13, 1983
- Walker-Neer Manufacturing Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self centering tongs and transfer arm for drilling apparatus
- Patent number 4,403,666
- Issue date Sep 13, 1983
- Walker-Neer Manufacturing Co. Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-centering clamp for down-hole tubulars
- Patent number 4,366,606
- Issue date Jan 4, 1983
- Walker-Neer Mfg. Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for supporting and rotating a down hole tubular
- Patent number 4,314,611
- Issue date Feb 9, 1982
- Walker-Neer Manufacturing Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inner tube assembly for dual conduit drill pipe
- Patent number 4,280,535
- Issue date Jul 28, 1981
- Walker-Neer Mfg. Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Skirted hammer sub for dual tube drilling
- Patent number 4,274,497
- Issue date Jun 23, 1981
- Walker-Neer Manufacturing Co., Inc.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Nutating drill bit
- Patent number 4,168,755
- Issue date Sep 25, 1979
- Walker-Neer Manufacturing Co.
- Clyde A. Willis
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for gripping a down hole tubular for use in a drilling ma...
- Publication number 20090121507
- Publication date May 14, 2009
- Clyde A. Willis
- E21 - EARTH DRILLING MINING

Clyde A. Willis

Person

Patents Grantslast 30 patents

Apparatus for gripping a down hole tubular for support and rotation

Automatic sequencing system for earth drilling machine

Lifting device for down hole tubulars

Feeding device for down hole tubulars

Apparatus for gripping a down hole tubular for rotation

Line reeving system for earth drilling machine

Top head drive cooling system

Method of assembling a modular drilling machine

Top head drive assembly for earth drilling machine and components t...

Top head drive assembly with axially movable quill

Modular drilling machine and components thereof

Automatic pipe elevator

Self locking and unlocking elevator assembly

Axial return hammer

Lifting apparatus for down-hole tubulars

Collapsible pedestal for drilling apparatus

Self-centering clamp for down-hole tubulars

Self centering tongs and transfer arm for drilling apparatus

Self-centering clamp for down-hole tubulars

Apparatus for supporting and rotating a down hole tubular

Inner tube assembly for dual conduit drill pipe

Skirted hammer sub for dual tube drilling

Nutating drill bit

Patents Applicationslast 30 patents

Apparatus for gripping a down hole tubular for use in a drilling ma...