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

Peter C. Williams

SWSwagelok: 111 patents #1 of 188Top 1%
WHWhitey: 31 patents #1 of 24Top 5%
DMDrive Time Metrics: 2 patents #4 of 7Top 60%
LOLogicmark: 2 patents #4 of 8Top 50%
WHWhitney: 1 patents #2 of 3Top 70%
Google: 1 patents #14,769 of 22,993Top 65%
CUCase Western Reserve University: 1 patents #665 of 1,377Top 50%
Oracle: 1 patents #8,282 of 14,854Top 60%
CFCrawford Fitting: 1 patents #5 of 16Top 35%
NUNew York University: 1 patents #708 of 1,640Top 45%
VEVerisign: 1 patents #195 of 311Top 65%
Louisville, KY: #1 of 3,201 inventorsTop 1%
Kentucky: #2 of 11,577 inventorsTop 1%
Overall (All Time): #5,142 of 4,157,543Top 1%
164 Patents All Time

Issued Patents All Time

Showing 126–150 of 164 patents

Patent #TitleCo-InventorsDate
6165597 Selective case hardening processes at low temperature Steven V. Marx 2000-12-26
6131963 Ferrule with relief to reduce galling Howard C. B. Kuhns 2000-10-17
6123320 Sanitary diaphragm valve Victor N. Rasanow, Robert V. Perusek 2000-09-26
6093303 Low temperature case hardening processes Steven V. Marx 2000-07-25
D414211 Paperback holder 1999-09-21
5882050 Ferrule with relief to reduce galling David A. McMillan, Howard C. B. Kuhns 1999-03-16
D345006 Valve Michael T. Gallagher, Richard F. Wozniak 1994-03-08
D344785 Valve Cal R. Brown, Lawrence A. Kohler 1994-03-01
5263682 Valve stem packing system Douglas A. Covert 1993-11-23
5213308 Valve with handle latch/lock Jeffrey T. Jeromson, Cal R. Brown 1993-05-25
D330319 Locking needle valve handle Ray D. Linderman 1992-10-20
5083749 Plastic needle valve Ray D. Linderman 1992-01-28
5074599 Tube fitting Stephen R. Wirbel, Joseph M. Stenger, Lonnie E. Johnston, Appasaheb T. Patil, Richard F. Wozniak 1991-12-24
D318519 Combined electric actuator and valve controller Allan M. Kuivila 1991-07-23
D317815 Valve body part Jeffrey T. Jeromson 1991-06-25
D312121 Valve body Richard F. Wozniak 1990-11-13
4899783 Pinch valve Edward M. Yusko, Jr., Cal R. Brown, Terry M. Kalain 1990-02-13
D305927 Nut lock plate Ray D. Linderman 1990-02-06
4895341 Pinch valve Cal R. Brown, Edward M. Yusko, Jr. 1990-01-23
4893781 Stem packing assembly for frequent cycling valve Terry M. Kalain, Edward M. Yusko Jr. 1990-01-16
4887644 Tee fitting integrally formed in valve body Jeffrey T. Jeromson 1989-12-19
4877053 Pinch valve Edward M. Yusko, Jr., Cal R. Brown, Terry M. Kalain 1989-10-31
4800920 Pinch valve Edward M. Yusko, Jr., Cal R. Brown, Terry M. Kalain 1989-01-31
4792118 Low dead space ring Edward M. Yusko, Jr. 1988-12-20
4762301 Compact multi-service ball valve Richard F. Wozniak, Robert C. Stewart 1988-08-09