James L. Ruhle

Person

Fullerton, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for core-sampling subsurface rock formations
- Patent number 5,301,759
- Issue date Apr 12, 1994
- James L. Ruhle
- E21 - EARTH DRILLING MINING
Information Patent Grant
High-pressure waterjet/abrasive particle-jet coring method and appa...
- Patent number 4,825,963
- Issue date May 2, 1989
- James L. Ruhle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for coring rock
- Patent number 4,679,636
- Issue date Jul 14, 1987
- James L. Ruhle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reciprocating down-hole sand pump
- Patent number 4,661,052
- Issue date Apr 28, 1987
- James L. Ruhle
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Threadless nonrotating steel coupling system
- Patent number 4,616,855
- Issue date Oct 14, 1986
- James L. Ruhle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for excavating bore holes in rock
- Patent number 4,613,003
- Issue date Sep 23, 1986
- James L. Ruhle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Free-floating neutrally-buoyant reciprocating pump valve for abrasi...
- Patent number 4,566,485
- Issue date Jan 28, 1986
- James L. Ruhle
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Anti back-out steel coupling system for nonmetallic composite pipe
- Patent number 4,548,428
- Issue date Oct 22, 1985
- James L. Ruhle
- E21 - EARTH DRILLING MINING

James L. Ruhle

Person

Patents Grantslast 30 patents

Method and apparatus for core-sampling subsurface rock formations

High-pressure waterjet/abrasive particle-jet coring method and appa...

Method and apparatus for coring rock

Reciprocating down-hole sand pump

Threadless nonrotating steel coupling system

Apparatus for excavating bore holes in rock

Free-floating neutrally-buoyant reciprocating pump valve for abrasi...

Anti back-out steel coupling system for nonmetallic composite pipe