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USPTO Patent Rankings Data through Dec 31, 2025
JH

James E. Hardzinski — 6 Patents

JDJohn Deere: 6 patents #802 of 5,518Top 15%
Horicon, WI: #19 of 71 inventorsTop 30%
Wisconsin: #7,934 of 40,088 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
James E. Hardzinski has been granted 6 US patents while listed as an inventor at John Deere. The first was granted in 1988 and the most recent in June 2014. James E. Hardzinski ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list James E. Hardzinski in Horicon, WI, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8745983 Hydraulic fluid cooling system for pair of integrated hydrostatic transmissions with auxiliary hydraulic circuit 2014-06-10 $11,395,000
8336306 Hydraulic fluid cooling system for pair of integrated hydrostatic transmissions Bryan D. Blauwet, Damon C. Green, Michael L. Lentz 2012-12-25
5152382 Accelerator pedal and brake mechanism John J. Hoch 1992-10-06 $4,302,000
5136899 Accelerator pedal and brake mechanism John J. Hoch 1992-08-11 $3,738,000
D311543 Engine hood Daniel A. Sebben, Kenneth E. Herren, William E. Crookes, Daniel R. Nickles 1990-10-23
4723398 Bagger for a front mount mower John Michael Flenniken 1988-02-09 $3,299,000