Inventor
ST LAURENT JR WILFRED H
6 patents
Patents
6 patentsUS4229010AOct 21, 1980
Self-aligning shaft seal
BELLOFRAM CORP38 citations90
US4390036AJun 28, 1983
Rolling diaphragm vacuum control
BELLOFRAM CORP27 citations79
US4253675AMar 3, 1981
Improvements of sealed shafts
BELLOFRAM CORP20 citations79
US4466455AAug 21, 1984
Rolling diaphragm vacuum control with check valve
BELLOFRAM CORP10 citations71
US4263838AApr 28, 1981
Pneumatic positioner
BELLOFRAM CORP9 citations71
US4244589AJan 13, 1981
Sealed shaft of reduced diameter
BELLOFRAM CORP11 citations71