Inventor
STEISS WILLIAM C
US7 patents
Patents
7 patentsUS4262880AApr 21, 1981
Plug valve
NUPRO CO67 citations94
US4637430AJan 20, 1987
Check valve
NUPRO CO42 citations92
US4684106AAug 4, 1987
Valve
NUPRO CO25 citations91
US4606374AAug 19, 1986
Valve
NUPRO CO42 citations91
US4530373AJul 23, 1985
Pressure relief valve
NUPRO CO43 citations90
US4634099AJan 6, 1987
High pressure inverted bellows valve
NUPRO CO35 citations89
US4263140AApr 21, 1981
In-line fluid filter
NUPRO CO29 citations87