James E. Schimpf — 10 Patents at Caterpillar

James E. Schimpf has been granted 10 US patents while listed as an inventor at Caterpillar. The first was granted in 1983 and the most recent in March 2011. James E. Schimpf ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list James E. Schimpf in Joliet, IL, US.

Patents per Year

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Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7913491	Hydraulic flow control system and method	Hong-Chin Lin, James T. Ferrier	2011-03-29	$69,990,000
5899008	Method and apparatus for controlling an implement of a work machine	Michael A. Cobo, Cynthia M. Gardner	1999-05-04	$39,083,000
5876185	Load sensing pump control for a variable displacement pump	Tony L. Marcott	1999-03-02	$14,160,000
5727387	Apparatus for controlling an implement of a work machine	Javad Hosseini, Nathan T. Schenkel	1998-03-17	$44,206,000
5701793	Method and apparatus for controlling an implement of a work machine	Cynthia M. Gardner, Robert E. Stone, John D. Duffy, William E. Allen	1997-12-30	$12,609,000
5617723	Method for controlling an implement of a work machine	Javad Hosseini, Nathan T. Schenkel	1997-04-08	$39,151,000
5537818	Method for controlling an implement of a work machine	Javad Hosseini, Nathan T. Schenkel	1996-07-23	$14,873,000
5189940	Method and apparatus for controlling an implement	Javad Hosseini, Eric A. Hutchison, Randall M. Mitchell, Weldon L. Phelps	1993-03-02	$12,101,000
4553904	Pump control with fluid responsive standby pressure	Walter Z. Ruseff	1985-11-19	$6,805,000
4381646	Torque and high pressure limiting control for variable displacement pumps	Walter Z. Ruseff	1983-05-03	$14,089,000

James E. Schimpf — 10 Patents

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