Assignee
AMRI
15 granted patents·337 citations·filing 1974–1990
Top patents by PatentIndex Score
15 records- 0192US3991974AButterfly valveAMRI·Filed 1974·Granted Nov 16, 1976·62 cites·6 claims
- 0291US4194749ASealing ringAMRI·Filed 1978·Granted Mar 25, 1980·52 cites·12 claims
- 0380US4006882AButterfly valve of large diameterAMRI·Filed 1975·Granted Feb 8, 1977·33 cites·3 claims
- 0473US4436281AButterfly valve with an improved obturation deviceAMRI·Filed 1982·Granted Mar 13, 1984·34 cites·9 claims
- 0570US4593916ASealing device providing the upstream/downstream sealing of a valveAMRI·Filed 1985·Granted Jun 10, 1986·32 cites·15 claims
- 0668US4653724AUniversal type butterfly valve and manufacturing process for sameAMRI·Filed 1985·Granted Mar 31, 1987·29 cites·6 claims
- 0757US5178364ASealing liner with incorporated reaction ring, more particularly for a closure meansAMRI·Filed 1990·Granted Jan 12, 1993·25 cites·18 claims
- 0857US4415170ADouble toric sealing ringAMRI·Filed 1982·Granted Nov 15, 1983·15 cites·8 claims
- 0946US4108199AIsolating valvesAMRI·Filed 1976·Granted Aug 22, 1978·10 cites·11 claims
- 1045US4608913AActuator with pneumatic energy accumulator more especially for cock valvesAMRI·Filed 1984·Granted Sep 2, 1986·9 cites·10 claims
- 1141US4995305AActuator employing a fluid under pressure for the driving in rotation of a rotary shaftAMRI·Filed 1989·Granted Feb 26, 1991·7 cites·5 claims
- 1241US4901979AButterfly valve of inspectable typeAMRI·Filed 1989·Granted Feb 20, 1990·11 cites·9 claims
- 1339US4070002AValve actuatorsAMRI·Filed 1976·Granted Jan 24, 1978·7 cites·10 claims
- 1436US4006761AEquipment for bottom loading of liquid productsAMRI·Filed 1975·Granted Feb 8, 1977·5 cites·17 claims
- 1535US4351511ASealing gasket for an obturator such as a ventilation regulatorAMRI·Filed 1980·Granted Sep 28, 1982·6 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →