Gandrud; Michael D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Gandrud; Michael D..The latest application filed is for "charged hydraulic system".

Company Profile

0.19.18

Gandrud; Michael D. - Ames IA
Gandrud; Michael D - Ames IA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Charged hydraulic system Grant 9,410,544 - Kuttler , et al. August 9, 2	2016-08-09
Charged hydraulic system Grant 9,188,114 - Kuttler , et al. November 17, 2	2015-11-17
Check valve pump with electric bypass valve Grant 8,469,677 - Gandrud June 25, 2	2013-06-25
Charged Hydraulic System App 20130047600 - Kuttler; Onno ; et al.	2013-02-28
Fan design and method of operating Grant 7,640,897 - Gandrud , et al. January 5, 2	2010-01-05
Vibration Dampening Media In Hydraulic Power Units App 20090263258 - Gandrud; Michael D.	2009-10-22
Means of adjusting ground speed of a vehicle based on load on blade assembly Grant 7,594,377 - Jansen , et al. September 29, 2	2009-09-29
Charged Hydraulic System App 20090113888 - Kuttler; Onno ; et al.	2009-05-07
Load Lowering Regenerative Energy System With Capacitor Charge And Discharge Circuit And Method Of Operating The Same App 20090091301 - Gandrud; Michael D. ; et al.	2009-04-09
Fan Design And Method Of Operating App 20090038564 - Gandrud; Michael D. ; et al.	2009-02-12
Tandem battery powered inverter and method of implementing the same Grant 7,317,290 - Gandrud , et al. January 8, 2	2008-01-08
Means and method for controlling a hydromechanical transmission in dual mode Grant 7,316,115 - Jansen , et al. January 8, 2	2008-01-08
Special fluids for use in a hydrostatic transmission Grant 7,300,260 - Gandrud November 27, 2	2007-11-27
Tandem Battery Powered Inverter And Method Of Implementing Same App 20070267987 - Gandrud; Michael D. ; et al.	2007-11-22
Improved Design Of Integrated Electro-hydraulic Power Unit App 20070053780 - Ruffner; Douglas B. ; et al.	2007-03-08
Electro-hydraulic power unit with a rotary cam hydraulic power unit Grant 7,182,583 - Gandrud , et al. February 27, 2	2007-02-27
High current switching circuit for a motor drive three phase inverter for mobile equipment App 20060273824 - Gandrud; Michael D.	2006-12-07
Electrical loop flushing system Grant 7,111,458 - Gandrud September 26, 2	2006-09-26
Tandem battery powered inverter and method of implementing the same App 20060138993 - Gandrud; Michael D. ; et al.	2006-06-29
Method and means of sealing an electrical conductor through the housing of a fluid filled motor Grant 7,038,339 - Gandrud May 2, 2	2006-05-02
Hydraulic cartridge valve solenoid coil for direct mount to a printed circuit board Grant 7,011,113 - Gandrud March 14, 2	2006-03-14
Axial piston hydraulic power unit with pseudo slippers App 20050226737 - Gandrud, Michael D. ; et al.	2005-10-13
Method and means of sealing an electrical conductor through the housing of a fluid filled motor App 20050218733 - Gandrud, Michael D.	2005-10-06
Hydraulic cartridge valve solenoid coil for direct mount to a printed circuit board App 20050194052 - Gandrud, Michael D.	2005-09-08
Flow sharing priority circuit for open circuit systems with several actuators per pump Grant 6,931,847 - Throckmorton , et al. August 23, 2	2005-08-23
Electro-hydraulic power unit with a rotary cam hydraulic power unit App 20050175479 - Gandrud, Michael D. ; et al.	2005-08-11
Method and means for monitoring torque in a hydraulic power unit Grant 6,925,892 - Gandrud August 9, 2	2005-08-09
Method And Means For Monitoring Torque In A Hydraulic Power Unit App 20050132817 - Gandrud, Michael D.	2005-06-23
Electrical loop flushing system App 20050005600 - Gandrud, Michael D.	2005-01-13
Method and means for measuring torque in hydraulic power units Grant 6,817,253 - Gandrud November 16, 2	2004-11-16
Method and system for non-contact sensing of motion of a roller drum Grant 6,750,621 - Gandrud June 15, 2	2004-06-15
Method and means for measuring torque in hydraulic power units App 20030172747 - Gandrud, Michael D.	2003-09-18
System and method for capacitance sensing of pavement density Grant 6,577,141 - Gandrud June 10, 2	2003-06-10
Method and system for non-contact sensing of motion of a roller drum App 20030048082 - Gandrud, Michael D.	2003-03-13
System and method for AC capacitance sensing of pavement density App 20020190728 - Gandrud, Michael D.	2002-12-19

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