Assignee
BUTTERWORTH INC
US·6 granted patents·304 citations·filing 1979–1985
Top patents by PatentIndex Score
6 records- 0198US4551077AHigh pressure pumpBUTTERWORTH INC·Filed 1984·Granted Nov 5, 1985·116 cites·14 claims
- 0294US4432386AValve assembly for reciprocating plunger pumpBUTTERWORTH INC·Filed 1980·Granted Feb 21, 1984·69 cites·6 claims
- 0387US4620562AHigh pressure regulator valveBUTTERWORTH INC·Filed 1984·Granted Nov 4, 1986·49 cites·10 claims
- 0475US4593858AFail-safe high pressure fluid delivery systemBUTTERWORTH INC·Filed 1985·Granted Jun 10, 1986·28 cites·12 claims
- 0565US4349154APower assisted dump valveBUTTERWORTH INC·Filed 1979·Granted Sep 14, 1982·27 cites·19 claims
- 0659US4579209AClutch and throttle system for remote control of engine speedBUTTERWORTH INC·Filed 1984·Granted Apr 1, 1986·15 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →