Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DA

David L. Apple — 3 Patents

JDJohn Deere: 2 patents #2,061 of 5,518Top 40%
AMAmerequip: 1 patents #3 of 8Top 40%
BRBrunswick: 1 patents #1,201 of 1,392Top 90%
Horicon, WI: #30 of 71 inventorsTop 45%
Wisconsin: #13,370 of 40,088 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David L. Apple has been granted 3 US patents while listed as an inventor at John Deere. The first was granted in 1984 and the most recent in July 2004. David L. Apple ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David L. Apple in Horicon, WI, US.

Patents per Year

Patents granted per year, 1984 to 2004Bar chart with a peak of 1 patents in 1984.peak 11984: 1 patents19841995: 1 patents19952004: 1 patents2004

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6764410 Consoles for playing and/or scoring games, internet access, and communication Roland Bouchard, Gary A. Brouwers, Michael A. Cutlip, David L. Mowers, Robert J. Prinz +2 more 2004-07-20 $5,210,000
5388950 Bumper quick-attach for tractor front-end loaders Calvin O. Schmahl 1995-02-14 $38,317,000
4441735 Steering gear assembly for a lawn and garden tractor Wayne R. Hutchison 1984-04-10 $3,056,000