Jeffrey S. Volden

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Burlington, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Stakedown assembly for a horizontal directional drill
- Patent number 6,814,161
- Issue date Nov 9, 2004
- Case Corporation
- Robert G. Draney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pipe retention and cartridge locking system for a horizontal direct...
- Patent number 6,374,927
- Issue date Apr 23, 2002
- Case Corporation
- Mark Guterman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stakedown assembly coupling for a horizontal directional drill
- Patent number 6,371,683
- Issue date Apr 16, 2002
- Case Corporation
- Robert G. Draney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stake coupler for a horizontal directional drill
- Patent number 6,276,464
- Issue date Aug 21, 2001
- Case Corporation
- Robert G. Draney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multiple position staking system for a horizontal directional drill
- Patent number 6,257,350
- Issue date Jul 10, 2001
- Case Corporation
- Robert G. Draney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pipe cartridge for a horizontal directional drill
- Patent number 6,237,703
- Issue date May 29, 2001
- Case Corporation
- Robert G. Draney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gripping apparatus for resisting sliding of drilling machine
- Patent number 6,131,674
- Issue date Oct 17, 2000
- Case Corporation
- Robert Draney
- E21 - EARTH DRILLING MINING