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

Robert J. Heideman — 38 Patents

ENEnertrols: 15 patents #1 of 5Top 20%
ASA. O. Smith: 9 patents #13 of 319Top 5%
ACAce Controls: 3 patents #1 of 12Top 9%
HIHydro Systems International: 2 patents #2 of 6Top 35%
DEDelco Electronics: 1 patents #370 of 908Top 45%
RTR. J. Tower: 1 patents #3 of 14Top 25%
SCSash Controls: 1 patents #3 of 3Top 100%
Westland, MI: #4 of 501 inventorsTop 1%
Michigan: #1,466 of 86,293 inventorsTop 2%
Overall (All Time): #87,092 of 4,157,543Top 3%
38 Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
4810849 Weld gun control 1989-03-07
4771866 Shock absorber with proximity switch Virgil J. Van Parys 1988-09-20
4702355 Shock absorber with hole-on-groove configuration and with adjusting device 1987-10-27
4694939 Shock absorber with stop collar Richard T. Mitera 1987-09-22
4690255 Compact shock absorber 1987-09-01
4594812 Sliding door construction Joseph S. Clancy 1986-06-17
4571870 Quick release mount for firearm aiming device Jerry B. Holden, Richard W. Crain 1986-02-25
D281772 Hydraulic shock absorber Richard G. Dressell, Jr. 1985-12-17
4539769 Mount for attaching a device to a firearm Frederick G. Stevens, Jerry B. Holden 1985-09-10
4482035 Shock absorber Richard G. Dressell, Jr. 1984-11-13
4321987 Shock absorber Richard G. Dressell, Jr. 1982-03-30
4317312 Window construction 1982-03-02
4298101 Shock absorber Richard G. Dressell, Jr. 1981-11-03