Assignee
SPRAGUE ELECTRIC CO
291 granted patents·7,215 citations·filing 1972–1991
Top patents by PatentIndex Score
291 records- 0197US4247881ADiscoidal monolithic ceramic capacitorSPRAGUE ELECTRIC CO·Filed 1979·Granted Jan 27, 1981·84 cites·4 claims
- 0296US4935698ASensor having dual Hall IC, pole piece and magnetSPRAGUE ELECTRIC CO·Filed 1989·Granted Jun 19, 1990·127 cites·5 claims
- 0396US4107762ASolid electrolyte capacitor package with an exothermically-alloyable fuseSPRAGUE ELECTRIC CO·Filed 1977·Granted Aug 15, 1978·112 cites·15 claims
- 0495US4447854AOval dual-AC-capacitor packageSPRAGUE ELECTRIC CO·Filed 1982·Granted May 8, 1984·110 cites·14 claims
- 0595US4283753ALow firing monolithic ceramic capacitor with high dielectric constantSPRAGUE ELECTRIC CO·Filed 1979·Granted Aug 11, 1981·65 cites·12 claims
- 0695US4027209ACeramic capacitor having a silver doped dielectric of (Pb,La)(Zr,Ti)O3SPRAGUE ELECTRIC CO·Filed 1975·Granted May 31, 1977·59 cites·26 claims
- 0794US4761569ADual trigger Hall effect I.C. switchSPRAGUE ELECTRIC CO·Filed 1987·Granted Aug 2, 1988·74 cites·2 claims
- 0893US4408818ACapacitor cover-terminal assemblySPRAGUE ELECTRIC CO·Filed 1981·Granted Oct 11, 1983·90 cites·7 claims
- 0993US4326237ADual AC motor-run capacitorsSPRAGUE ELECTRIC CO·Filed 1981·Granted Apr 20, 1982·104 cites·9 claims
- 1093US4266265ACeramic capacitor and method for making the sameSPRAGUE ELECTRIC CO·Filed 1979·Granted May 5, 1981·46 cites·14 claims
- 1193US4101952AMonolithic base-metal glass-ceramic capacitorSPRAGUE ELECTRIC CO·Filed 1976·Granted Jul 18, 1978·50 cites·21 claims
- 1292US4508563AReducing the oxygen content of tantalumSPRAGUE ELECTRIC CO·Filed 1984·Granted Apr 2, 1985·74 cites·16 claims
- 1392US4443716ASymmetrical-hysteresis Hall switchSPRAGUE ELECTRIC CO·Filed 1982·Granted Apr 17, 1984·56 cites·4 claims
- 1492US4363078AMiniature electrolytic capacitor with anchoring terminalSPRAGUE ELECTRIC CO·Filed 1980·Granted Dec 7, 1982·80 cites·4 claims
- 1592US4267565ACopper encased flat electrolytic capacitor manufacture and capacitorSPRAGUE ELECTRIC CO·Filed 1979·Granted May 12, 1981·57 cites·7 claims
- 1692US4223369AMonolithic capacitor with low firing zirconate and nickel electrodesSPRAGUE ELECTRIC CO·Filed 1978·Granted Sep 16, 1980·45 cites·6 claims
- 1792US4219866ACeramic capacitor having a dielectric of (Pb,La) (Zr,Ti)O3 and BaTiO3SPRAGUE ELECTRIC CO·Filed 1979·Granted Aug 26, 1980·37 cites·6 claims
- 1892US4172216APressure sensitive switchSPRAGUE ELECTRIC CO·Filed 1978·Granted Oct 23, 1979·92 cites·6 claims
- 1992US3988498ALow temperature fired electrical components and method of making sameSPRAGUE ELECTRIC CO·Filed 1974·Granted Oct 26, 1976·47 cites·10 claims
- 2091US4454416APhoto-electric circuit employing current mirrorsSPRAGUE ELECTRIC CO·Filed 1982·Granted Jun 12, 1984·44 cites·3 claims
- 2191US4398782AInterrupter for multisection AC capacitorsSPRAGUE ELECTRIC CO·Filed 1981·Granted Aug 16, 1983·75 cites·5 claims
- 2291US4361835AHall-cell liquid level detectorSPRAGUE ELECTRIC CO·Filed 1981·Granted Nov 30, 1982·53 cites·7 claims
- 2391US4263113AElectrochemical removal of surface copper from aluminum foilSPRAGUE ELECTRIC CO·Filed 1980·Granted Apr 21, 1981·54 cites·7 claims
- 2491US4247883AEncapsulated capacitorSPRAGUE ELECTRIC CO·Filed 1978·Granted Jan 27, 1981·55 cites·5 claims
- 2591US4193106AMonolithic ceramic capacitor with fuse linkSPRAGUE ELECTRIC CO·Filed 1978·Granted Mar 11, 1980·41 cites·3 claims
- 2691US4135224ACeramic capacitor having a bismuth-containing silver-doped dielectric of (Pb,La) (Zr,Ti)O3SPRAGUE ELECTRIC CO·Filed 1977·Granted Jan 16, 1979·35 cites·17 claims
- 2791US4131935ATerminal-cover assembly having coined region of reduced cross section compressing resilient bushingSPRAGUE ELECTRIC CO·Filed 1977·Granted Dec 26, 1978·56 cites·8 claims
- 2891US4107758AFused oil filled capacitorSPRAGUE ELECTRIC CO·Filed 1977·Granted Aug 15, 1978·91 cites·15 claims
- 2991US4090288ASolid electrolyte capacitor with metal loaded resin end capsSPRAGUE ELECTRIC CO·Filed 1976·Granted May 23, 1978·55 cites·9 claims
- 3090US4654075AEmulsion-char method for making fine powderSPRAGUE ELECTRIC CO·Filed 1985·Granted Mar 31, 1987·34 cites·20 claims
- 3190US4431983APTCR PackageSPRAGUE ELECTRIC CO·Filed 1981·Granted Feb 14, 1984·38 cites·3 claims
- 3290US4385342AFlat electrolytic capacitorSPRAGUE ELECTRIC CO·Filed 1980·Granted May 24, 1983·78 cites·6 claims
- 3390US4296410ATwo-state Hall element proximity sensor device with lamp indicatorSPRAGUE ELECTRIC CO·Filed 1980·Granted Oct 20, 1981·46 cites·6 claims
- 3490US4203194ABatch method for making solid-electrolyte capacitorsSPRAGUE ELECTRIC CO·Filed 1978·Granted May 20, 1980·57 cites·13 claims
- 3590US4189761ANon-aqueous electrolytic capacitor electrolyteSPRAGUE ELECTRIC CO·Filed 1977·Granted Feb 19, 1980·40 cites·11 claims
- 3689US4593343AElectrolytic capacitor and spacer thereforSPRAGUE ELECTRIC CO·Filed 1984·Granted Jun 3, 1986·43 cites·4 claims
- 3789US4518918AFerromagnetic article detector with dual Hall-sensorsSPRAGUE ELECTRIC CO·Filed 1982·Granted May 21, 1985·61 cites·10 claims
- 3889US4377692AAnomalous salts of dibasic acidsSPRAGUE ELECTRIC CO·Filed 1981·Granted Mar 22, 1983·21 cites·10 claims
- 3989US4374333ATwo terminal Hall-sensorSPRAGUE ELECTRIC CO·Filed 1980·Granted Feb 15, 1983·61 cites·5 claims
- 4089US4183600AElectrolytic capacitor cover-terminal assemblySPRAGUE ELECTRIC CO·Filed 1978·Granted Jan 15, 1980·46 cites·7 claims
- 4189US4048670AStress-free hall-cell packageSPRAGUE ELECTRIC CO·Filed 1975·Granted Sep 13, 1977·106 cites·7 claims
- 4289US4017773ASolid valve-metal capacitor with buried graphite in the particles in the electrolyteSPRAGUE ELECTRIC CO·Filed 1975·Granted Apr 12, 1977·48 cites·8 claims
- 4388US4513350AMonolithic ceramic capacitor and method for manufacturing to predetermined capacity valueSPRAGUE ELECTRIC CO·Filed 1984·Granted Apr 23, 1985·42 cites·15 claims
- 4488US4107759AFused monolithic ceramic capacitor packageSPRAGUE ELECTRIC CO·Filed 1977·Granted Aug 15, 1978·37 cites·14 claims
- 4588US4090231AScreen printed solid electrolytic capacitorSPRAGUE ELECTRIC CO·Filed 1974·Granted May 16, 1978·61 cites·16 claims
- 4687US4772929AHall sensor with integrated pole piecesSPRAGUE ELECTRIC CO·Filed 1987·Granted Sep 20, 1988·148 cites·9 claims
- 4787US4523255ACathode for an electrolytic capacitorSPRAGUE ELECTRIC CO·Filed 1983·Granted Jun 11, 1985·55 cites·7 claims
- 4887US4214210AElectromagnetic noise source locatorSPRAGUE ELECTRIC CO·Filed 1978·Granted Jul 22, 1980·50 cites·6 claims
- 4987US4199744AMagnetic core with magnetic ribbon in gap thereofSPRAGUE ELECTRIC CO·Filed 1979·Granted Apr 22, 1980·29 cites·7 claims
- 5087US4060649APaint curtain machine and method of paintingSPRAGUE ELECTRIC CO·Filed 1976·Granted Nov 29, 1977·39 cites·15 claims
Showing the top 50 of 291 patent records by PatentIndex Score.
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