Assignee
DOUCET CHARLES
CH·4 granted patents·134 citations·filing 1981–1990
Technology mixB01D4
Top patents by PatentIndex Score
4 records- 0189US4430232ADisc filter for liquidsDOUCET CHARLES·Filed 1982·Granted Feb 7, 1984·74 cites·15 claims
- 0274US4707259AFilter with superposed rings for filtering liquidsDOUCET CHARLES·Filed 1986·Granted Nov 17, 1987·41 cites·7 claims
- 0341US4352734AMethod of filtering a fluid and filterDOUCET CHARLES·Filed 1981·Granted Oct 5, 1982·10 cites·9 claims
- 0437US5152895AMethod for cleaning filter elements and filter for implementing itDOUCET CHARLES·Filed 1990·Granted Oct 6, 1992·9 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →