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

John David — 14 Patents

NRNpc Robotics: 10 patents #1 of 7Top 15%
RCRca: 1 patents #895 of 1,739Top 55%
Chaska, MN: #34 of 361 inventorsTop 10%
Minnesota: #5,382 of 52,454 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
John David has been granted 14 US patents while listed as an inventor at Npc Robotics. The first was granted in 1980 and the most recent in July 2025. John David ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list John David in Chaska, MN, US.

Patents per Year

Patents granted per year, 1980 to 2025Bar chart with a peak of 2 patents in 2013.peak 21980: 1 patents19801991: 1 patents19911995: 1 patents19951997: 1 patents19972013: 2 patents20132017: 2 patents20172019: 2 patents20192020: 1 patents20202023: 2 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12366288 Boltless unitary ring gear-flange body Richard Reid, Paul C. Dickie 2025-07-22
11713800 Method of manufacturing boltless unitary ring gear-flange body Richard Reid, Paul C. Dickie 2023-08-01
D982629 Boltless unitary ring gear-flange body Richard Reid 2023-04-04
10775124 Motor-less cartridge ring gear engagement module for actuating rotation of a turret Norman L. Domholt, Richard Reid, Tyler Andrew Jacobson, Michael Richmon Thoreson 2020-09-15
10330422 Cartridge based modular turret control system Norman L. Domholt, Richard Reid, Tyler Andrew Jacobson, Michael Richmon Thoreson 2019-06-25
10281238 Cartridge based modular turret control system Norman L. Domholt, Richard Reid, Tyler Andrew Jacobson, Michael Richmon Thoreson 2019-05-07
9759506 Battery-powered motor unit Norman L. Domholt, Richard Reid, Tyler Andrew Jacobson, Michael Richmon Thoreson 2017-09-12
9733037 Battery-powered motor unit Norman L. Domholt, Richard Reid, Tyler Andrew Jacobson, Michael Richmon Thoreson 2017-08-15
8601742 Hydraulic systems and methods thereof Norman L. Domholt, Richard Reid 2013-12-10
8443710 Battery-powered motor unit Norman L. Domholt, Richard Reid, Tyler Andrew Jacobson, Michael Richmon Thoreson 2013-05-21
5594994 Tree stand rangefinder and method of using the same 1997-01-21
5467531 Tree stand rangefinder and method of using the same 1995-11-21
4998745 Safety quick hitch 1991-03-12
4240594 Creel 1980-12-23 $1,678,000