Michael D. Gandrud

Person

Ames, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Charged hydraulic system
- Patent number 9,410,544
- Issue date Aug 9, 2016
- Danfoss Power Solutions APS
- Onno Kuttler
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Charged hydraulic system
- Patent number 9,188,114
- Issue date Nov 17, 2015
- Danfoss Power Solutions APS
- Onno Kuttler
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Check valve pump with electric bypass valve
- Patent number 8,469,677
- Issue date Jun 25, 2013
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fan design and method of operating
- Patent number 7,640,897
- Issue date Jan 5, 2010
- Sauer-Danfoss, Inc.
- Michael D. Gandrud
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Means of adjusting ground speed of a vehicle based on load on blade...
- Patent number 7,594,377
- Issue date Sep 29, 2009
- Sauer-Danfoss Inc.
- Lynn T. Jansen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Tandem battery powered inverter and method of implementing the same
- Patent number 7,317,290
- Issue date Jan 8, 2008
- Sauer-Danfoss Inc.
- Michael D Gandrud
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Means and method for controlling a hydromechanical transmission in...
- Patent number 7,316,115
- Issue date Jan 8, 2008
- Sauer-Danfoss Inc.
- Lynn T Jansen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Special fluids for use in a hydrostatic transmission
- Patent number 7,300,260
- Issue date Nov 27, 2007
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electro-hydraulic power unit with a rotary cam hydraulic power unit
- Patent number 7,182,583
- Issue date Feb 27, 2007
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electrical loop flushing system
- Patent number 7,111,458
- Issue date Sep 26, 2006
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and means of sealing an electrical conductor through the hou...
- Patent number 7,038,339
- Issue date May 2, 2006
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hydraulic cartridge valve solenoid coil for direct mount to a print...
- Patent number 7,011,113
- Issue date Mar 14, 2006
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Flow sharing priority circuit for open circuit systems with several...
- Patent number 6,931,847
- Issue date Aug 23, 2005
- Sauer-Danfoss, Inc.
- Charles D. Throckmorton
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Method and means for monitoring torque in a hydraulic power unit
- Patent number 6,925,892
- Issue date Aug 9, 2005
- Sauer-Danfoss, Inc.
- Michael D Gandrud
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and means for measuring torque in hydraulic power units
- Patent number 6,817,253
- Issue date Nov 16, 2004
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for non-contact sensing of motion of a roller drum
- Patent number 6,750,621
- Issue date Jun 15, 2004
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
System and method for capacitance sensing of pavement density
- Patent number 6,577,141
- Issue date Jun 10, 2003
- Sauer-Danfoss, Inc.
- Michael D. Gandrud
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CHARGED HYDRAULIC SYSTEM
- Publication number 20130047600
- Publication date Feb 28, 2013
- Sauer-Danfoss ApS
- Onno Kuttler
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VIBRATION DAMPENING MEDIA IN HYDRAULIC POWER UNITS
- Publication number 20090263258
- Publication date Oct 22, 2009
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
CHARGED HYDRAULIC SYSTEM
- Publication number 20090113888
- Publication date May 7, 2009
- Sauer-Danfoss ApS
- Onno Kuttler
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
LOAD LOWERING REGENERATIVE ENERGY SYSTEM WITH CAPACITOR CHARGE AND...
- Publication number 20090091301
- Publication date Apr 9, 2009
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- B66 - HOISTING LIFTING HAULING
Information Patent Application
FAN DESIGN AND METHOD OF OPERATING
- Publication number 20090038564
- Publication date Feb 12, 2009
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TANDEM BATTERY POWERED INVERTER AND METHOD OF IMPLEMENTING SAME
- Publication number 20070267987
- Publication date Nov 22, 2007
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- B60 - VEHICLES IN GENERAL
Information Patent Application
IMPROVED DESIGN OF INTEGRATED ELECTRO-HYDRAULIC POWER UNIT
- Publication number 20070053780
- Publication date Mar 8, 2007
- Sauer-Danfoss Inc.
- Douglas B. Ruffner
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
High current switching circuit for a motor drive three phase invert...
- Publication number 20060273824
- Publication date Dec 7, 2006
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- B60 - VEHICLES IN GENERAL
Information Patent Application
Tandem battery powered inverter and method of implementing the same
- Publication number 20060138993
- Publication date Jun 29, 2006
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- B60 - VEHICLES IN GENERAL
Information Patent Application
Axial piston hydraulic power unit with pseudo slippers
- Publication number 20050226737
- Publication date Oct 13, 2005
- Sauer-Danfoss, Inc.
- Michael D. Gandrud
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Method and means of sealing an electrical conductor through the hou...
- Publication number 20050218733
- Publication date Oct 6, 2005
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Hydraulic cartridge valve solenoid coil for direct mount to a print...
- Publication number 20050194052
- Publication date Sep 8, 2005
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electro-hydraulic power unit with a rotary cam hydraulic power unit
- Publication number 20050175479
- Publication date Aug 11, 2005
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
METHOD AND MEANS FOR MONITORING TORQUE IN A HYDRAULIC POWER UNIT
- Publication number 20050132817
- Publication date Jun 23, 2005
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- B60 - VEHICLES IN GENERAL
Information Patent Application
Electrical loop flushing system
- Publication number 20050005600
- Publication date Jan 13, 2005
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Method and means for measuring torque in hydraulic power units
- Publication number 20030172747
- Publication date Sep 18, 2003
- Sauer-Danfoss Inc.
- Michael D. Gandrud
- G01 - MEASURING TESTING
Information Patent Application
Method and system for non-contact sensing of motion of a roller drum
- Publication number 20030048082
- Publication date Mar 13, 2003
- Michael D. Gandrud
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
System and method for AC capacitance sensing of pavement density
- Publication number 20020190728
- Publication date Dec 19, 2002
- Michael D. Gandrud
- G01 - MEASURING TESTING

Michael D. Gandrud

Person

Patents Grantslast 30 patents

Charged hydraulic system

Charged hydraulic system

Check valve pump with electric bypass valve

Fan design and method of operating

Means of adjusting ground speed of a vehicle based on load on blade...

Tandem battery powered inverter and method of implementing the same

Means and method for controlling a hydromechanical transmission in...

Special fluids for use in a hydrostatic transmission

Electro-hydraulic power unit with a rotary cam hydraulic power unit

Electrical loop flushing system

Method and means of sealing an electrical conductor through the hou...

Hydraulic cartridge valve solenoid coil for direct mount to a print...

Flow sharing priority circuit for open circuit systems with several...

Method and means for monitoring torque in a hydraulic power unit

Method and means for measuring torque in hydraulic power units

Method and system for non-contact sensing of motion of a roller drum

System and method for capacitance sensing of pavement density

Patents Applicationslast 30 patents

CHARGED HYDRAULIC SYSTEM

VIBRATION DAMPENING MEDIA IN HYDRAULIC POWER UNITS

CHARGED HYDRAULIC SYSTEM

LOAD LOWERING REGENERATIVE ENERGY SYSTEM WITH CAPACITOR CHARGE AND...

FAN DESIGN AND METHOD OF OPERATING

TANDEM BATTERY POWERED INVERTER AND METHOD OF IMPLEMENTING SAME

IMPROVED DESIGN OF INTEGRATED ELECTRO-HYDRAULIC POWER UNIT

High current switching circuit for a motor drive three phase invert...

Tandem battery powered inverter and method of implementing the same

Axial piston hydraulic power unit with pseudo slippers

Method and means of sealing an electrical conductor through the hou...

Hydraulic cartridge valve solenoid coil for direct mount to a print...

Electro-hydraulic power unit with a rotary cam hydraulic power unit

METHOD AND MEANS FOR MONITORING TORQUE IN A HYDRAULIC POWER UNIT

Electrical loop flushing system

Method and means for measuring torque in hydraulic power units

Method and system for non-contact sensing of motion of a roller drum

System and method for AC capacitance sensing of pavement density