Assignee
PLESSEY OVERSEAS
GB·271 granted patents·7,002 citations·filing 1979–1991
Top patents by PatentIndex Score
271 records- 0198US4857273ABiosensorsPLESSEY OVERSEAS·Filed 1986·Granted Aug 15, 1989·241 cites·6 claims
- 0297US4927180AMarking of articles with photochromic compoundsPLESSEY OVERSEAS·Filed 1987·Granted May 22, 1990·146 cites·11 claims
- 0397US4877747AOptical assay: method and apparatusPLESSEY OVERSEAS·Filed 1986·Granted Oct 31, 1989·190 cites·12 claims
- 0496US4942113AContrast enhanced photolithographyPLESSEY OVERSEAS·Filed 1989·Granted Jul 17, 1990·80 cites·18 claims
- 0594US4810976AFrequency doubling oscillator and mixer circuitPLESSEY OVERSEAS·Filed 1986·Granted Mar 7, 1989·122 cites·7 claims
- 0693US5000819AMetal surface cleaning processesPLESSEY OVERSEAS·Filed 1989·Granted Mar 19, 1991·79 cites·5 claims
- 0793USD305422SThree keypad pushbutton set for telecommunications instrumentsPLESSEY OVERSEAS·Filed 1986·Granted Jan 9, 1990·194 cites·1 claims
- 0893USD299718SKeypad for telecommunications instrumentsPLESSEY OVERSEAS·Filed 1986·Granted Feb 7, 1989·184 cites·1 claims
- 0992US4539760ACompassPLESSEY OVERSEAS·Filed 1983·Granted Sep 10, 1985·67 cites·4 claims
- 1092US4456974AMagnetic bubble devicePLESSEY OVERSEAS·Filed 1981·Granted Jun 26, 1984·58 cites·16 claims
- 1191US5022580AVernier structure for flip chip bonded devicesPLESSEY OVERSEAS·Filed 1989·Granted Jun 11, 1991·98 cites·7 claims
- 1291US4758802AFractional N synthesizerPLESSEY OVERSEAS·Filed 1986·Granted Jul 19, 1988·71 cites·2 claims
- 1390US4853534AOptical fiber sensing systemPLESSEY OVERSEAS·Filed 1988·Granted Aug 1, 1989·51 cites·7 claims
- 1489US4885462AOptical fiber sensing systemsPLESSEY OVERSEAS·Filed 1987·Granted Dec 5, 1989·48 cites·5 claims
- 1589US4673299ATemperature measuring arrangements using optical fibre sensorPLESSEY OVERSEAS·Filed 1985·Granted Jun 16, 1987·65 cites·13 claims
- 1689US4554873AMaterial handling and sorting systemPLESSEY OVERSEAS·Filed 1982·Granted Nov 26, 1985·65 cites·17 claims
- 1789US4360787ADigitally controlled wide ranch automatic gain controlPLESSEY OVERSEAS·Filed 1980·Granted Nov 23, 1982·50 cites·2 claims
- 1888US5060027ALight emitting diode array with aligned solder bumpsPLESSEY OVERSEAS·Filed 1989·Granted Oct 22, 1991·95 cites·7 claims
- 1988USD276998SElectronic equipment containerPLESSEY OVERSEAS·Filed 1982·Granted Jan 1, 1985·30 cites·1 claims
- 2087US4672386AAntenna with radial and edge slot radiators fed with striplinePLESSEY OVERSEAS·Filed 1985·Granted Jun 9, 1987·82 cites·5 claims
- 2187US4549710ASupporting assemblyPLESSEY OVERSEAS·Filed 1983·Granted Oct 29, 1985·54 cites·6 claims
- 2286US4923270AApparatus for optical wavelength division multiplexingPLESSEY OVERSEAS·Filed 1988·Granted May 8, 1990·54 cites·23 claims
- 2386USD286397SElectrical connector socketPLESSEY OVERSEAS·Filed 1984·Granted Oct 28, 1986·37 cites·1 claims
- 2485US5212686AAsynchronous time division switching arrangement and a method of operating samePLESSEY OVERSEAS·Filed 1989·Granted May 18, 1993·85 cites·8 claims
- 2585US4939731AData transmission system with automatic repeat requestPLESSEY OVERSEAS·Filed 1987·Granted Jul 3, 1990·121 cites·10 claims
- 2685US4670870AAdaptive cancellation bridge circuitPLESSEY OVERSEAS·Filed 1985·Granted Jun 2, 1987·97 cites·9 claims
- 2785US4652080AOptical transmission systemsPLESSEY OVERSEAS·Filed 1985·Granted Mar 24, 1987·56 cites·5 claims
- 2885USD282659STelephone handsetPLESSEY OVERSEAS·Filed 1983·Granted Feb 18, 1986·23 cites·1 claims
- 2984US4939793AIntegrated circuit assembly with optically coupled componentsPLESSEY OVERSEAS·Filed 1987·Granted Jul 3, 1990·51 cites·10 claims
- 3084US4540865APush buttonsPLESSEY OVERSEAS·Filed 1984·Granted Sep 10, 1985·38 cites·7 claims
- 3184US4536951AMethod of producing a layered structurePLESSEY OVERSEAS·Filed 1984·Granted Aug 27, 1985·64 cites·10 claims
- 3284US4395685AWaveguide junction for producing circularly polarized signalPLESSEY OVERSEAS·Filed 1981·Granted Jul 26, 1983·45 cites·5 claims
- 3383US5095514AFibre optic sensorPLESSEY OVERSEAS·Filed 1989·Granted Mar 10, 1992·43 cites·13 claims
- 3483US4757527AEcho cancellerPLESSEY OVERSEAS·Filed 1985·Granted Jul 12, 1988·91 cites·1 claims
- 3583US4740970AIntegrated circuit arrangementPLESSEY OVERSEAS·Filed 1985·Granted Apr 26, 1988·48 cites·8 claims
- 3683US4569569AOptical coupling devicesPLESSEY OVERSEAS·Filed 1982·Granted Feb 11, 1986·40 cites·9 claims
- 3783US4498193AJammer transmitterPLESSEY OVERSEAS·Filed 1983·Granted Feb 5, 1985·61 cites·8 claims
- 3882US5155455AAm/fm modulator in which am can be converted to fm by vector additionPLESSEY OVERSEAS·Filed 1991·Granted Oct 13, 1992·67 cites·8 claims
- 3982US4764926AIntegrated circuitsPLESSEY OVERSEAS·Filed 1985·Granted Aug 16, 1988·85 cites·17 claims
- 4081US4975923ASemiconductor diode laser arrayPLESSEY OVERSEAS·Filed 1990·Granted Dec 4, 1990·47 cites·6 claims
- 4181US4883410AFuel supply systemsPLESSEY OVERSEAS·Filed 1989·Granted Nov 28, 1989·32 cites·6 claims
- 4281US4800342AFrequency synthesizer of the fractional typePLESSEY OVERSEAS·Filed 1986·Granted Jan 24, 1989·38 cites·8 claims
- 4381US4686488AFractional N frequency synthesizer with modulation compensationPLESSEY OVERSEAS·Filed 1986·Granted Aug 11, 1987·67 cites·7 claims
- 4481US4546550ACompassPLESSEY OVERSEAS·Filed 1983·Granted Oct 15, 1985·31 cites·6 claims
- 4580US4760544AArithmetic logic and shift devicePLESSEY OVERSEAS·Filed 1986·Granted Jul 26, 1988·74 cites·10 claims
- 4680US4493082ASoft decision convolutional code transmission systemsPLESSEY OVERSEAS·Filed 1981·Granted Jan 8, 1985·68 cites·12 claims
- 4779US4982193AAnalogue to digital conversion: method and apparatus thereforPLESSEY OVERSEAS·Filed 1987·Granted Jan 1, 1991·43 cites·13 claims
- 4878US4653916AOptical sensing systemsPLESSEY OVERSEAS·Filed 1985·Granted Mar 31, 1987·44 cites·7 claims
- 4977US4887271APower supply for a laser diode in a common modulePLESSEY OVERSEAS·Filed 1988·Granted Dec 12, 1989·24 cites·4 claims
- 5077US4876776AMethod of making piezoelectric compositesPLESSEY OVERSEAS·Filed 1988·Granted Oct 31, 1989·40 cites·3 claims
Showing the top 50 of 271 patent records by PatentIndex Score.
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