Gregory E. Sparks — 13 Patents at John Deere

Gregory E. Sparks has been granted 13 US patents while listed as an inventor at John Deere. The first was granted in 1983 and the most recent in April 2024. Gregory E. Sparks ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Gregory E. Sparks in Waterloo, IA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
D1020750	Modular biometric station	Matthew Wilkins, Austin Puckett, Raymond Protasiewicz, Aditi Vyas, Travis Baldwin +2 more	2024-04-02
D1020751	Modular biometric station	Matthew Wilkins, Austin Puckett, Raymond Protasiewicz, Aditi Vyas, Travis Baldwin +2 more	2024-04-02
D1020752	Modular biometric station	Matthew Wilkins, Austin Puckett, Raymond Protasiewicz, Aditi Vyas, Travis Baldwin +2 more	2024-04-02
11868456	Modular biometric station with cohesive form factor	Matthew Wilkins, Austin Puckett, Raymond Protasiewicz, Aditi Vyas, Travis Baldwin +2 more	2024-01-09
7707912	Disposable oil filter wrench	—	2010-05-04
7401465	Dual pump dual pressure hydraulic circuit	Robert C. Emmert, Gary L. Dostal	2008-07-22	$58,151,000
6504474	Method and apparatus for detecting a restricted or bypassed transmission oil filter	Trent L. Goodnight, Douglas Rene Johnson	2003-01-07	$7,776,000
5201174	Auxiliary hydraulic pump system	Dennis R. Barber	1993-04-13	$7,829,000
5012415	Control system calibration	Thomas E. Boe, Mark A. Bergene, Carl E. Kittle	1991-04-30	$12,982,000
4931967	Control system calibration	Thomas E. Boe, Mark A. Bergene, Carl E. Kittle	1990-06-05	$2,590,000
4799645	Pilot operated hydraulic control valve	Kenneth D. Kramer	1989-01-24	$5,945,000
4523494	Steering pressure responsive differential lock control system	David Allen Larson	1985-06-18	$1,846,000
4419642	Solenoid with saturable element	Kenneth D. Kramer, Kenneth J. Stoss	1983-12-06	$3,933,000

Gregory E. Sparks — 13 Patents

Issued Patents All Time

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