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

Darryl Cain — 4 Patents

JDJohn Deere: 3 patents #1,512 of 5,518Top 30%
JLJoerns Healthcare Limited: 1 patents #14 of 36Top 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Darryl Cain has been granted 4 US patents while listed as an inventor at John Deere. The first was granted in 1983 and the most recent in July 2019. Darryl Cain ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Darryl Cain in Kidderminster, IL, GB.

Patents per Year

Patents granted per year, 1983 to 2019Bar chart with a peak of 2 patents in 2001.peak 21983: 1 patents19832001: 2 patents20012019: 1 patents2019

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D854275 Combined patient ceiling-hoist trolley and motor unit Christopher Steven Westwood 2019-07-16
6247886 Unloader tube upper pivot support mechanism Todd N. Signer 2001-06-19 $16,515,000
6206779 Grain tank extension Edwin Milton Gerber, Russell Andrew Huesmann, Jr., Todd N. Signer, Mark Charles DePoorter, Bruno Dauenhauer 2001-03-27 $23,640,000
4371299 Trailer frame Kevin L. Ehrecke 1983-02-01 $7,486,000