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

John David Canny — 4 Patents

DEDelavan: 2 patents #41 of 131Top 35%
Indianola, IA: #10 of 41 inventorsTop 25%
Iowa: #3,794 of 15,303 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John David Canny has been granted 4 US patents while listed as an inventor at Delavan. The first was granted in 1996 and the most recent in February 2017. John David Canny ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John David Canny in Indianola, IA, US.

Patents per Year

Patents granted per year, 1996 to 2017Bar chart with a peak of 1 patents in 1996.peak 11996: 1 patents19961999: 1 patents19992014: 1 patents20142017: 1 patents2017

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9581121 Retention feature for fuel injector nozzle Jason A. Ryon, Mark A. Caples, Nicole L. Nelson 2017-02-28
8636263 System and method for locking retention of valve components Steven Scott Deaton 2014-01-28
5856924 Processor and method for developing a set of admissible fixture designs for a workpiece Randolph C. Brost, Kenneth Y. Goldberg, Aaron S. Wallack 1999-01-05
5546314 Processor and method for developing a set of admissible fixture designs for a workpiece Randolph C. Brost, Kenneth Y. Goldberg, Aaron S. Wallack 1996-08-13