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

John H. Olsen — 35 Patents

OMOmax: 15 patents #3 of 26Top 15%
FIFlow Industries: 9 patents #1 of 25Top 4%
FIFlow International: 6 patents #16 of 96Top 20%
Vashon, WA: #8 of 132 inventorsTop 7%
Washington: #2,036 of 76,902 inventorsTop 3%
Overall (All Time): #98,545 of 4,157,543Top 3%
35 Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4679826 High pressure hose fitting 1987-07-14
4669760 Swivel fitting arrangement for use in a pressurized fluid line Mohamed A. Hashish 1987-06-02
4649963 Ultra-high pressure hose assembly Chidambaram Raghavan 1987-03-17
4627076 Low power digital bus Philip R. Staal, Richard C. Hughes 1986-12-02
4536135 High pressure liquid piston pump Sigurd C. Mordre 1985-08-20
4435902 Articulated boom water jet cutting apparatus John E. Mercer, Stephen Michael Elkins 1984-03-13
4392655 High-pressure seal with controlled deflection under pressure Robert S. Pritchard 1983-07-12
4371001 Check valve assembly 1983-02-01
4313570 High pressure cutting nozzle with on-off capability 1982-02-02
4216906 Method of making high velocity liquid jet George H. Hurlburt, Louis E. Kapcsandy 1980-08-12