Assignee
PFAUDLER CO INC
US·8 granted patents·99 citations·filing 1980–1991
Top patents by PatentIndex Score
8 records- 0184US4361334ACompression sealed composite seal seat with cooling passagesPFAUDLER CO INC·Filed 1980·Granted Nov 30, 1982·39 cites·9 claims
- 0250US5038520AManway lift assistPFAUDLER CO INC·Filed 1990·Granted Aug 13, 1991·24 cites·5 claims
- 0348US5360198AValve for clean chemical reactorPFAUDLER CO INC·Filed 1991·Granted Nov 1, 1994·11 cites·17 claims
- 0436US5069423AValve for clean chemical reactorPFAUDLER CO INC·Filed 1990·Granted Dec 3, 1991·5 cites·6 claims
- 0534US4946304AWeld jointPFAUDLER CO INC·Filed 1988·Granted Aug 7, 1990·5 cites·1 claims
- 0633US5275501AQuick opening manhole cover assembly for use with virtually any shape manhole coverPFAUDLER CO INC·Filed 1991·Granted Jan 4, 1994·9 cites·14 claims
- 0732US4788506AMeasuring probePFAUDLER CO INC·Filed 1985·Granted Nov 29, 1988·4 cites·2 claims
- 0830US4796344AMethod for avoiding thermal stresses in glass lined vesselsPFAUDLER CO INC·Filed 1987·Granted Jan 10, 1989·2 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →