Assignee
HILLS MCCANNA CO
10 granted patents·274 citations·filing 1974–1979
Top patents by PatentIndex Score
10 records- 0191US4014514AHigh pressure diaphragm valveHILLS MCCANNA CO·Filed 1975·Granted Mar 29, 1977·64 cites·15 claims
- 0290US4044994APressure loaded sealing arrangementHILLS MCCANNA CO·Filed 1976·Granted Aug 30, 1977·52 cites·8 claims
- 0372US4203460ABall valve with compound closure movementHILLS MCCANNA CO·Filed 1978·Granted May 20, 1980·26 cites·10 claims
- 0471US4132071AElectro-hydraulic controlled valve actuator systemHILLS MCCANNA CO·Filed 1977·Granted Jan 2, 1979·20 cites·12 claims
- 0568US4175578AFire resistant seat for butterfly and ball valvesHILLS MCCANNA CO·Filed 1977·Granted Nov 27, 1979·20 cites·11 claims
- 0661US3963185AFilament winding methodHILLS MCCANNA CO·Filed 1974·Granted Jun 15, 1976·26 cites·2 claims
- 0758US4124147AFlexible diaphragm dispensing system for condimentsHILLS MCCANNA CO·Filed 1977·Granted Nov 7, 1978·21 cites·23 claims
- 0856US4032044ALiquid dispensing unit and systemHILLS MCCANNA CO·Filed 1976·Granted Jun 28, 1977·16 cites·32 claims
- 0954US4253640AActuation system for valve with compound closure movementHILLS MCCANNA CO·Filed 1979·Granted Mar 3, 1981·16 cites·12 claims
- 1045US3979971ADifferential driveHILLS MCCANNA CO·Filed 1975·Granted Sep 14, 1976·13 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →