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

Robert D. Cook — 63 Patents

HYHydro-Aire: 16 patents #1 of 28Top 4%
SUSustainx: 10 patents #5 of 25Top 20%
CCCrane & Co.: 8 patents #6 of 188Top 4%
HCHydro-Aire Division Of Crane: 7 patents #1 of 4Top 25%
BHBaker Hughes Holdings: 3 patents #995 of 3,522Top 30%
T-Mobile Usa: 3 patents #406 of 1,165Top 35%
LLLancer Systems Lp: 2 patents #3 of 15Top 20%
MMMemc Electronic Materials: 1 patents #138 of 273Top 55%
GKGl&V Management Hungary Kft.: 1 patents #2 of 28Top 8%
S(Syntex (U.S.A.): 1 patents #356 of 599Top 60%
ENEnvirotech: 1 patents #39 of 100Top 40%
VTVisteon Global Technologies: 1 patents #765 of 1,929Top 40%
WEWestech Engineering: 1 patents #14 of 27Top 55%
Salt Lake City, UT: #23 of 4,590 inventorsTop 1%
Utah: #123 of 19,430 inventorsTop 1%
Overall (All Time): #35,914 of 4,157,543Top 1%
63 Patents All Time

Issued Patents All Time

Showing 51–63 of 63 patents

Patent #TitleCo-InventorsDate
RE33486 Selective deceleration brake control system Edgar A. Hirzel 1990-12-11
4789783 Discharge ionization detector 1988-12-06
4676656 Fluid handling apparatus and method Donald Besemer 1987-06-30
4668021 Brake feel augmentation valve and system 1987-05-26
4543633 Modulator for anti-skid braking system 1985-09-24
4530058 Initialization apparatus for a brake control system Thomas Skarvada 1985-07-16
4484282 Apparatus for generating a lead signal in an antiskid system Thomas Skarvada 1984-11-20
4479185 Apparatus for generating a lead signal in an antiskid system 1984-10-23
4338667 Initialization apparatus for a brake control system Thomas Skarvada 1982-07-06
4338668 Modulator for anti-skid braking system 1982-07-06
4282082 Slurry electrowinning apparatus Robert C. Emmett, Jr., Bruce C. Wojcik, Frank Baczek 1981-08-04
4260198 Skid control valve and system 1981-04-07
D257219 Picture-hanging bracket 1980-10-07