Assignee
TOMOE TECH RES CO
10 granted patents·403 citations·filing 1976–1995
Top patents by PatentIndex Score
10 records- 0187US4926903AButterfly valve having a function for measuring a flow rate and method of measuring a flow rate with a butterfly valveTOMOE TECH RES CO·Filed 1989·Granted May 22, 1990·135 cites·16 claims
- 0282US4025050AButterfly valveTOMOE TECH RES CO·Filed 1976·Granted May 24, 1977·50 cites·6 claims
- 0379US5490660AManual device for valveTOMOE TECH RES CO·Filed 1995·Granted Feb 13, 1996·51 cites·6 claims
- 0470US5482252ASeat ring and butterfly valve fitting this seat ring theretoTOMOE TECH RES CO·Filed 1995·Granted Jan 9, 1996·37 cites·11 claims
- 0570US5029811AButterfly valveTOMOE TECH RES CO·Filed 1990·Granted Jul 9, 1991·30 cites·36 claims
- 0670US4289297AButterfly valveTOMOE TECH RES CO·Filed 1980·Granted Sep 15, 1981·32 cites·6 claims
- 0769US4014511AButterfly valveTOMOE TECH RES CO·Filed 1976·Granted Mar 29, 1977·28 cites·2 claims
- 0858US4318422AButterfly valveTOMOE TECH RES CO·Filed 1979·Granted Mar 9, 1982·18 cites·21 claims
- 0935US5150731AButterfly valve to prevent dew condensation therefromTOMOE TECH RES CO·Filed 1990·Granted Sep 29, 1992·14 cites·20 claims
- 1026US4063710AReduction apparatus for opening and closing a valveTOMOE TECH RES CO·Filed 1976·Granted Dec 20, 1977·8 cites·2 claims
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