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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →