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.
Join the waitlist — get patent alerts
Get an alert when AUTOMATIC SWITCH CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →