Inventor · disambiguated record
Curtis W. Clarkson
Also filed as: CLARKSON CURTIS W
8 granted patents·392 citations·filing 1974–1997
90Inventor score
Technology areasF16K
Top patents by PatentIndex Score
8 records- 0193US4257447AGate valveCLARKSON CO·Filed 1979·Granted Mar 24, 1981·59 cites·18 claims
- 0290US5271426AGate valveCLARKSON CO·Filed 1992·Granted Dec 21, 1993·79 cites·50 claims
- 0388US5890700AGate valveCLARKSON CO·Filed 1997·Granted Apr 6, 1999·64 cites·9 claims
- 0488US4688597AGate valveCLARKSON CO·Filed 1986·Granted Aug 25, 1987·58 cites·10 claims
- 0583US3945604APackingless gate valve and actuator assembliesJ R CLARKSON COMPANY·Filed 1974·Granted Mar 23, 1976·38 cites·13 claims
- 0675US5370149ALine blind valveCLARKSON CO·Filed 1993·Granted Dec 6, 1994·38 cites·16 claims
- 0774US4846442AGate valve with lock ringCLARKSON CO·Filed 1988·Granted Jul 11, 1989·32 cites·29 claims
- 0870US4007911APackingless gate valve and actuator assembliesJ R CLARKSON COMPANY·Filed 1975·Granted Feb 15, 1977·24 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →