Assignee
AUTOMATIC SWITCH CO
US·74 granted patents·4 pending applications·2,337 citations·filing 1975–2023
Top patents by PatentIndex Score
78 records- 0194US5032812ASolenoid actuator having a magnetic flux sensorAUTOMATIC SWITCH CO·Filed 1990·Granted Jul 16, 1991·120 cites·14 claims
- 0292US5538220AMolded solenoid valve and method of making itAUTOMATIC SWITCH CO·Filed 1994·Granted Jul 23, 1996·77 cites·8 claims
- 0391US3936782AAutomatic transfer switchAUTOMATIC SWITCH CO·Filed 1975·Granted Feb 3, 1976·61 cites·12 claims
- 0490US4921208AProportional flow valveAUTOMATIC SWITCH CO·Filed 1989·Granted May 1, 1990·115 cites·11 claims
- 0590US4679767ASolenoid arrangement including yoke-enclosed coil and double encapsulationAUTOMATIC SWITCH CO·Filed 1985·Granted Jul 14, 1987·52 cites·14 claims
- 0690US4501297ARotary valveAUTOMATIC SWITCH CO·Filed 1982·Granted Feb 26, 1985·75 cites·9 claims
- 0789US5887847ADigitally controllable flow rate valveAUTOMATIC SWITCH CO·Filed 1997·Granted Mar 30, 1999·63 cites·1 claims
- 0889US5565832ASolenoid with magnetic control of armature velocityAUTOMATIC SWITCH CO·Filed 1994·Granted Oct 15, 1996·81 cites·5 claims
- 0989US4683454ASolenoid actuator with electrical connection modulesAUTOMATIC SWITCH CO·Filed 1985·Granted Jul 28, 1987·53 cites·14 claims
- 1089US4683453ASolenoid actuator with fastenerAUTOMATIC SWITCH CO·Filed 1985·Granted Jul 28, 1987·51 cites·11 claims
- 1189US4405867ASystem for transferring a load between two power sources without interruption of power to the loadAUTOMATIC SWITCH CO·Filed 1980·Granted Sep 20, 1983·66 cites·15 claims
- 1288US5199462AValve having rocker valve member and isolation diaphragmAUTOMATIC SWITCH CO·Filed 1992·Granted Apr 6, 1993·62 cites·6 claims
- 1388US4430579AElectrically operated, mechanically held electrical switching deviceAUTOMATIC SWITCH CO·Filed 1982·Granted Feb 7, 1984·50 cites·32 claims
- 1488US4244554ASpringless diaphragm valveAUTOMATIC SWITCH CO·Filed 1979·Granted Jan 13, 1981·59 cites·9 claims
- 1587US4247077ASlow-opening valve operated by a solenoid pumpAUTOMATIC SWITCH CO·Filed 1979·Granted Jan 27, 1981·59 cites·12 claims
- 1686US10483706B2Solenoid coil with replaceable status indicator lightAUTOMATIC SWITCH CO·Filed 2017·Granted Nov 19, 2019·5 cites·17 claims
- 1786US6003552ARocker valve for sealing large orificesAUTOMATIC SWITCH CO·Filed 1998·Granted Dec 21, 1999·69 cites·3 claims
- 1886US5676342AProportional flow valve with diaphragm pressure memberAUTOMATIC SWITCH CO·Filed 1996·Granted Oct 14, 1997·68 cites·7 claims
- 1985US11287050B2Solenoid valve with crimp fittingAUTOMATIC SWITCH CO·Filed 2019·Granted Mar 29, 2022·3 cites·17 claims
- 2085US4157461AAutomatic transfer switch and bypass switch arrangementAUTOMATIC SWITCH CO·Filed 1977·Granted Jun 5, 1979·52 cites·15 claims
- 2184US9684310B2Compensated performance of a solenoid valve based on environmental conditions and product lifeAUTOMATIC SWITCH CO·Filed 2015·Granted Jun 20, 2017·4 cites·9 claims
- 2284US5957158AVisual position indicatorAUTOMATIC SWITCH CO·Filed 1998·Granted Sep 28, 1999·76 cites·13 claims
- 2384US5294089AProportional flow valveAUTOMATIC SWITCH CO·Filed 1992·Granted Mar 15, 1994·68 cites·10 claims
- 2484US5205323AValve and operator thereforAUTOMATIC SWITCH CO·Filed 1992·Granted Apr 27, 1993·52 cites·10 claims
- 2584US4388535AElectric power interrupting switchAUTOMATIC SWITCH CO·Filed 1981·Granted Jun 14, 1983·28 cites·16 claims
- 2682US5918852AWide flow range proportional flow valveAUTOMATIC SWITCH CO·Filed 1997·Granted Jul 6, 1999·51 cites·7 claims
- 2782US4736177ASolenoid actuator with electrical connection modulesAUTOMATIC SWITCH CO·Filed 1987·Granted Apr 5, 1988·35 cites·11 claims
- 2882US4178963APilot operated sequencing valveAUTOMATIC SWITCH CO·Filed 1978·Granted Dec 18, 1979·39 cites·14 claims
- 2982US4058287APilot-operated valve having constant closing rateAUTOMATIC SWITCH CO·Filed 1975·Granted Nov 15, 1977·43 cites·7 claims
- 3082US4021678AAutomatic transfer switchAUTOMATIC SWITCH CO·Filed 1976·Granted May 3, 1977·64 cites·10 claims
- 3180US11131398B2Smart pinch valveAUTOMATIC SWITCH CO·Filed 2018·Granted Sep 28, 2021·4 cites·21 claims
- 3280US6155531AProportional control valueAUTOMATIC SWITCH CO·Filed 1999·Granted Dec 5, 2000·50 cites·8 claims
- 3380US5748432AMethod and apparatus for preventing coil induced delay in a automatic transfer switchAUTOMATIC SWITCH CO·Filed 1996·Granted May 5, 1998·43 cites·9 claims
- 3479US11543047B2Switch assembly for valve actuatorAUTOMATIC SWITCH CO·Filed 2020·Granted Jan 3, 2023·1 cites·15 claims
- 3579US5449142ATwo-way cartridge valve for aggresive mediaAUTOMATIC SWITCH CO·Filed 1994·Granted Sep 12, 1995·47 cites·21 claims
- 3678USD977071SValve bodyAUTOMATIC SWITCH CO·Filed 2021·Granted Jan 31, 2023·7 cites·1 claims
- 3778US11293564B2Valve silencing chokeAUTOMATIC SWITCH CO·Filed 2020·Granted Apr 5, 2022·2 cites·20 claims
- 3877US6044791AApparatus for determining the position of a rotary valveAUTOMATIC SWITCH CO·Filed 1998·Granted Apr 4, 2000·38 cites·17 claims
- 3976US5070252AAutomatic transfer switchAUTOMATIC SWITCH CO·Filed 1990·Granted Dec 3, 1991·118 cites·13 claims
- 4074US4503887APilot-operated dual flow rate valveAUTOMATIC SWITCH CO·Filed 1982·Granted Mar 12, 1985·32 cites·6 claims
- 4173US10295077B2Assuring dropout of solenoid valve controlled by peak-and-hold driverAUTOMATIC SWITCH CO·Filed 2016·Granted May 21, 2019·1 cites·15 claims
- 4272US12270487B2Switch assembly for valve actuatorAUTOMATIC SWITCH CO·Filed 2023·Granted Apr 8, 2025·0 cites·20 claims
- 4371US5959448AOptically isolated line voltage sensing circuitAUTOMATIC SWITCH CO·Filed 1996·Granted Sep 28, 1999·40 cites·8 claims
- 4470US4168407AElectrical switch assembly including a separate interrupter switchAUTOMATIC SWITCH CO·Filed 1977·Granted Sep 18, 1979·13 cites·11 claims
- 4568US11248717B2Modular smart solenoid valveAUTOMATIC SWITCH CO·Filed 2019·Granted Feb 15, 2022·1 cites·20 claims
- 4668US7911758B2Low power solenoid control system and methodAUTOMATIC SWITCH CO·Filed 2008·Granted Mar 22, 2011·8 cites·32 claims
- 4768US6179000B1Three-way valveAUTOMATIC SWITCH CO·Filed 1999·Granted Jan 30, 2001·28 cites·5 claims
- 4868US4179096AValve member for pilot operated valvesAUTOMATIC SWITCH CO·Filed 1978·Granted Dec 18, 1979·26 cites·4 claims
- 4966US4385639ASelf-cycling valveAUTOMATIC SWITCH CO·Filed 1980·Granted May 31, 1983·24 cites·4 claims
- 5063US11307115B2Valve test connectionAUTOMATIC SWITCH CO·Filed 2019·Granted Apr 19, 2022·1 cites·19 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →