Walter K. Rolf

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Lisbon, ND, US

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Patents Grantslast 30 patents

Information Patent Grant
Shift assisted braking for a power machine or vehicle
- Patent number 7,762,923
- Issue date Jul 27, 2010
- Clark Equipment Company
- Scott N. Schuh
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for operating a multiple speed hydraulic motor
- Patent number 7,614,223
- Issue date Nov 10, 2009
- Clark Equipment Company
- Joseph A. St. Aubin
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Synchronized speed shifting of multiple motors
- Patent number 7,571,605
- Issue date Aug 11, 2009
- Clark Equipment Company
- Joseph A. St. Aubin
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method for operating a multiple speed hydraulic motor
- Publication number 20080236153
- Publication date Oct 2, 2008
- Joseph A. St. Aubin
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Synchronized Speed Shifting of Multiple Motors
- Publication number 20080161152
- Publication date Jul 3, 2008
- Clark Equipment Company
- Joseph A. St. Aubin
- B60 - VEHICLES IN GENERAL
Information Patent Application
Shift assisted braking for a power machine or vehicle
- Publication number 20080129109
- Publication date Jun 5, 2008
- Clark Equipment Company
- Scott Schuh
- B60 - VEHICLES IN GENERAL