Assignee
WORCESTER CONTROLS CORP
US·10 granted patents·334 citations·filing 1978–1991
Top patents by PatentIndex Score
10 records- 0191US4417312AElectronic controller for valve actuatorsWORCESTER CONTROLS CORP·Filed 1981·Granted Nov 22, 1983·118 cites·14 claims
- 0285US5074522ABall valve having improved inherent rangeabilityWORCESTER CONTROLS CORP·Filed 1991·Granted Dec 24, 1991·61 cites·7 claims
- 0381US4385747ASelf-relieving seat and ball valve incorporating the sameWORCESTER CONTROLS CORP·Filed 1982·Granted May 31, 1983·52 cites·20 claims
- 0471US4936547AEccentric ball valveWORCESTER CONTROLS CORP·Filed 1989·Granted Jun 26, 1990·37 cites·14 claims
- 0563US4377892AMethod of fabricating sintered metal/polymer impregnated ball valve seatsWORCESTER CONTROLS CORP·Filed 1980·Granted Mar 29, 1983·19 cites·2 claims
- 0656US4531273AMethod for fabricating graphite filled sintered metal seats for ball valvesWORCESTER CONTROLS CORP·Filed 1984·Granted Jul 30, 1985·15 cites·4 claims
- 0749US5117858ATop entry ball valves with cam adjustable seatsWORCESTER CONTROLS CORP·Filed 1991·Granted Jun 2, 1992·17 cites·14 claims
- 0836US4487111AApparatus for generating reciprocatory motionWORCESTER CONTROLS CORP·Filed 1981·Granted Dec 11, 1984·8 cites·11 claims
- 0933US4280526ALockable end plug for valve housingsWORCESTER CONTROLS CORP·Filed 1980·Granted Jul 28, 1981·6 cites·15 claims
- 1016US4206686ACantilever beam positioner for valve actuatorsWORCESTER CONTROLS CORP·Filed 1978·Granted Jun 10, 1980·1 cites·12 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →