Assignee
SPERRY CORP
US·1,058 granted patents·1 pending application·30,882 citations·filing 1970–2006
Top patents by PatentIndex Score
1,059 records- 0198US4605977AAir bearing head displacement sensor and positionerSPERRY CORP·Filed 1983·Granted Aug 12, 1986·168 cites·13 claims
- 0298US4580066AFast scan/set testable latch using two levels of series gating with two current sourcesSPERRY CORP·Filed 1984·Granted Apr 1, 1986·98 cites·12 claims
- 0398US4534285AActuator mechanism for continuous roll baling machineSPERRY CORP·Filed 1983·Granted Aug 13, 1985·69 cites·3 claims
- 0498US4527241AAutomatic combine harvester adjustment systemSPERRY CORP·Filed 1982·Granted Jul 2, 1985·189 cites·17 claims
- 0598US4394642AApparatus for interleaving and de-interleaving dataSPERRY CORP·Filed 1981·Granted Jul 19, 1983·203 cites·11 claims
- 0698US4259829ACombine harvestersSPERRY CORP·Filed 1979·Granted Apr 7, 1981·107 cites·28 claims
- 0797US4622667ADigital fail operational automatic flight control system utilizing redundant dissimilar data processingSPERRY CORP·Filed 1984·Granted Nov 11, 1986·126 cites·24 claims
- 0897US4516837AElectro-optical switch for unpolarized optical signalsSPERRY CORP·Filed 1983·Granted May 14, 1985·180 cites·20 claims
- 0997US4498177AM Out of N code checker circuitSPERRY CORP·Filed 1982·Granted Feb 5, 1985·201 cites·7 claims
- 1097US4455545AHigh frequency output inductor for inverter power supplySPERRY CORP·Filed 1982·Granted Jun 19, 1984·143 cites·7 claims
- 1197US4280099ADigital timing recovery systemSPERRY CORP·Filed 1979·Granted Jul 21, 1981·101 cites·13 claims
- 1297US4278327ALiquid crystal matricesSPERRY CORP·Filed 1979·Granted Jul 14, 1981·108 cites·39 claims
- 1397US4188595AShielded surface wave transmission lineSPERRY CORP·Filed 1978·Granted Feb 12, 1980·216 cites·10 claims
- 1496US4634858AVariable coupler fiberoptic sensorSPERRY CORP·Filed 1984·Granted Jan 6, 1987·161 cites·6 claims
- 1596US4612757ACombine header attitude control mechanismSPERRY CORP·Filed 1985·Granted Sep 23, 1986·94 cites·17 claims
- 1696US4558302AHigh speed data compression and decompression apparatus and methodSPERRY CORP·Filed 1983·Granted Dec 10, 1985·630 cites·181 claims
- 1796US4536733AHigh frequency inverter transformer for power suppliesSPERRY CORP·Filed 1982·Granted Aug 20, 1985·94 cites·12 claims
- 1896US4489648ABaler density control mechanismSPERRY CORP·Filed 1984·Granted Dec 25, 1984·48 cites·9 claims
- 1996US4485429AApparatus for cooling integrated circuit chipsSPERRY CORP·Filed 1984·Granted Nov 27, 1984·136 cites·2 claims
- 2096US4432599AFiber optic differential sensorSPERRY CORP·Filed 1981·Granted Feb 21, 1984·69 cites·7 claims
- 2196US4409784AMethod of wrapping roll bales with plastic filmSPERRY CORP·Filed 1982·Granted Oct 18, 1983·69 cites·1 claims
- 2296US4293188AFiber optic small displacement sensorSPERRY CORP·Filed 1980·Granted Oct 6, 1981·109 cites·37 claims
- 2396US4247843AAircraft flight instrument display systemSPERRY CORP·Filed 1978·Granted Jan 27, 1981·188 cites·19 claims
- 2496US4208651AFingerprint identification by ridge angle and minutiae recognitionSPERRY CORP·Filed 1978·Granted Jun 17, 1980·79 cites·17 claims
- 2596US4201442ALiquid crystal switching coupler matrixSPERRY CORP·Filed 1978·Granted May 6, 1980·96 cites·12 claims
- 2695US4630187APower converter with duty ratio quantizationSPERRY CORP·Filed 1985·Granted Dec 16, 1986·134 cites·14 claims
- 2795US4598357ACache/disk subsystem with file number for recovery of cached dataSPERRY CORP·Filed 1983·Granted Jul 1, 1986·180 cites·8 claims
- 2895US4558560APivot tongue harvester with lateral transportSPERRY CORP·Filed 1984·Granted Dec 17, 1985·64 cites·18 claims
- 2995US4544963ARead signal detection in ternary 3PM magnetic recordingSPERRY CORP·Filed 1984·Granted Oct 1, 1985·100 cites·19 claims
- 3095US4533624AMethod of forming a low temperature multilayer photoresist lift-off patternSPERRY CORP·Filed 1983·Granted Aug 6, 1985·84 cites·4 claims
- 3195US4509146AHigh density Josephson junction memory circuitSPERRY CORP·Filed 1982·Granted Apr 2, 1985·85 cites·14 claims
- 3295US4464650AApparatus and method for compressing data signals and restoring the compressed data signalsSPERRY CORP·Filed 1981·Granted Aug 7, 1984·431 cites·244 claims
- 3395US4461543AElectro optic switchSPERRY CORP·Filed 1982·Granted Jul 24, 1984·107 cites·6 claims
- 3495US4425613AForced load sharing circuit for inverter power supplySPERRY CORP·Filed 1981·Granted Jan 10, 1984·92 cites·11 claims
- 3595US4418393AMatched filter spread spectrum code recovery apparatusSPERRY CORP·Filed 1980·Granted Nov 29, 1983·132 cites·8 claims
- 3695US4394732ACache/disk subsystem trickleSPERRY CORP·Filed 1980·Granted Jul 19, 1983·150 cites·10 claims
- 3795US4366665APlastic film dispenser for round balerSPERRY CORP·Filed 1981·Granted Jan 4, 1983·67 cites·7 claims
- 3895US4201052APower transmissionSPERRY CORP·Filed 1979·Granted May 6, 1980·48 cites·40 claims
- 3995US4188646ASectorized data path following servo systemSPERRY CORP·Filed 1978·Granted Feb 12, 1980·68 cites·22 claims
- 4094US4791390AMSE variable step adaptive filterSPERRY CORP·Filed 1982·Granted Dec 13, 1988·89 cites·29 claims
- 4194US4638493AAdaptive interference rejection for improved frequency hop detectionSPERRY CORP·Filed 1985·Granted Jan 20, 1987·192 cites·13 claims
- 4294US4618919ATopology for miniature power supply with low voltage and low ripple requirementsSPERRY CORP·Filed 1984·Granted Oct 21, 1986·75 cites·13 claims
- 4394US4527075AClock source with automatic duty cycle correctionSPERRY CORP·Filed 1983·Granted Jul 2, 1985·64 cites·19 claims
- 4494US4435948AMechanism for pivoting windrow shields into a vertical transport positionSPERRY CORP·Filed 1982·Granted Mar 13, 1984·55 cites·10 claims
- 4594US4423341AFast switching field effect transistor driver circuitSPERRY CORP·Filed 1981·Granted Dec 27, 1983·65 cites·6 claims
- 4694US4386345AColor and brightness tracking in a cathode ray tube display systemSPERRY CORP·Filed 1981·Granted May 31, 1983·360 cites·12 claims
- 4794US4364016AMethod for post fabrication frequency trimming of surface acoustic wave devicesSPERRY CORP·Filed 1980·Granted Dec 14, 1982·69 cites·2 claims
- 4894US4333082AInhomogeneous dielectric dome antennaSPERRY CORP·Filed 1980·Granted Jun 1, 1982·262 cites·3 claims
- 4994US4317148ATransducer for perpendicular magnetic recordingSPERRY CORP·Filed 1980·Granted Feb 23, 1982·55 cites·33 claims
- 5094US4214292APrinted circuit board guide springSPERRY CORP·Filed 1978·Granted Jul 22, 1980·69 cites·4 claims
Showing the top 50 of 1,059 patent records by PatentIndex Score.
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