Gary R. Schaeper

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Blowout preventer bonnet seal carrier
- Patent number 5,165,704
- Issue date Nov 24, 1992
- Cooper Industries, Inc.
- Gary R. Schaeper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Variable bore packer for a ram type blowout preventer
- Patent number 5,005,802
- Issue date Apr 9, 1991
- Cooper Industries, Inc.
- David J. McWhorter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annular blowout preventer with upper and lower spherical sealing su...
- Patent number 4,602,794
- Issue date Jul 29, 1986
- NL Industries, Inc.
- Gary R. Schaeper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Blowout preventer stacks and method of tensioning stack tie rods
- Patent number 4,580,628
- Issue date Apr 8, 1986
- Cameron Iron Works, Inc.
- Gary R. Schaeper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annular blowout preventer
- Patent number 4,579,314
- Issue date Apr 1, 1986
- Cameron Iron Works, Inc.
- Gary R. Schaeper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annular blowout preventer
- Patent number 4,460,150
- Issue date Jul 17, 1984
- Cameron Iron Works, Inc.
- Robert J. Turlak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annular blowout preventer with upper and lower spherical sealing su...
- Patent number 4,460,149
- Issue date Jul 17, 1984
- NL Industries, Inc.
- Gary R. Schaeper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annular blowout preventer
- Patent number 4,458,876
- Issue date Jul 10, 1984
- Ventre Corporation
- Gary R. Schaeper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Locking mechanism for annular blowout preventer
- Patent number 4,438,900
- Issue date Mar 27, 1984
- NL Industries, Inc.
- Gary R. Schaeper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annular blowout preventer with upper and lower spherical sealing su...
- Patent number 4,283,039
- Issue date Aug 11, 1981
- NL Industries, Inc.
- Gary R. Schaeper
- E21 - EARTH DRILLING MINING

Gary R. Schaeper

Person

Patents Grantslast 30 patents

Blowout preventer bonnet seal carrier

Variable bore packer for a ram type blowout preventer

Annular blowout preventer with upper and lower spherical sealing su...

Blowout preventer stacks and method of tensioning stack tie rods

Annular blowout preventer

Annular blowout preventer

Annular blowout preventer with upper and lower spherical sealing su...

Annular blowout preventer

Locking mechanism for annular blowout preventer

Annular blowout preventer with upper and lower spherical sealing su...