Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DP

David R. Pacholok — 32 Patents

EVEverbrite: 9 patents #1 of 49Top 3%
MCMenicon Co.: 2 patents #89 of 263Top 35%
SESchumacher Electric: 2 patents #21 of 35Top 60%
Motorola: 2 patents #4,475 of 12,470Top 40%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
OMOmg: 1 patents #26 of 45Top 60%
RARayovac: 1 patents #78 of 170Top 50%
ECEnovation Controls: 1 patents #11 of 22Top 50%
Elgin, IL: #10 of 644 inventorsTop 2%
Illinois: #1,822 of 84,256 inventorsTop 3%
Overall (All Time): #112,783 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
4904903 Ballast for high intensity discharge lamps 1990-02-27
RE32904 Power supply for gas discharge devices 1989-04-11
4698741 High efficiency high voltage power supply for gas discharge devices 1987-10-06
4613934 Power supply for gas discharge devices 1986-09-23
4546319 Vacuum testing method and apparatus Ernest H. Pfaff, Kenneth D. Mowbray 1985-10-08
4498056 Signal amplifier and integral signal shunt attenuator Peter A. Kwitkowski 1985-02-05
4472672 High power factor switching-type battery charger 1984-09-18