Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Darwin Daniel Fish — 3 Patents

JDJohn Deere: 3 patents #1,512 of 5,518Top 30%
Ottumwa, IA: #45 of 143 inventorsTop 35%
Iowa: #4,706 of 15,303 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Darwin Daniel Fish has been granted 3 US patents while listed as an inventor at John Deere. The first was granted in 2004 and the most recent in January 2009. Darwin Daniel Fish ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Darwin Daniel Fish in Ottumwa, IA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7481756 Roller assembly for agricultural baler Daniel E. Derscheid, Bradley J. Hitchler, Jeremy M. Erdmann, Charles S. Sloan, Henry D. Anstey 2009-01-27 $51,257,000
6845603 Side-pull mower-conditioner tongue operatively associated with access door for closing door when tongue is swung Roger D. Stephenson 2005-01-25 $39,970,000
6688092 Pick-up crop baffle including integral crop hold down rods and suspension for use in widely varied crops Henry D. Anstey, Daniel E. Derscheid 2004-02-10 $5,516,000