Assignee
MARCONI CO LTD
GB·215 granted patents·5,856 citations·filing 1972–1991
Top patents by PatentIndex Score
215 records- 0197US4367446AMode couplersMARCONI CO LTD·Filed 1979·Granted Jan 4, 1983·260 cites·20 claims
- 0296US4232193AMessage signal scrambling apparatusMARCONI CO LTD·Filed 1978·Granted Nov 4, 1980·258 cites·5 claims
- 0395US4420983AMass flow measurement deviceMARCONI CO LTD·Filed 1981·Granted Dec 20, 1983·76 cites·14 claims
- 0494US5926128ARadar systemsMARCONI CO LTD·Filed 1973·Granted Jul 20, 1999·228 cites·4 claims
- 0594US5017937AWideband horn antennaMARCONI CO LTD·Filed 1990·Granted May 21, 1991·243 cites·4 claims
- 0694US4253193ATropospheric scatter radio communication systemsMARCONI CO LTD·Filed 1978·Granted Feb 24, 1981·224 cites·13 claims
- 0793US4644793AVibrational gyroscopeMARCONI CO LTD·Filed 1985·Granted Feb 24, 1987·104 cites·20 claims
- 0893US4383443ALiquid-level measurementMARCONI CO LTD·Filed 1981·Granted May 17, 1983·59 cites·10 claims
- 0993US4318047ADetection of narrow pulsesMARCONI CO LTD·Filed 1979·Granted Mar 2, 1982·113 cites·10 claims
- 1092US4058836ANoise reduction in television signalsMARCONI CO LTD·Filed 1976·Granted Nov 15, 1977·65 cites·9 claims
- 1191US5124665ACircuit for reducing distortion produced by an r.f. power amplifierMARCONI CO LTD·Filed 1991·Granted Jun 23, 1992·80 cites·13 claims
- 1291US4281341AStereoscopic television systemMARCONI CO LTD·Filed 1979·Granted Jul 28, 1981·111 cites·3 claims
- 1390US5036335ATapered slot antenna with balun slot line and stripline feedMARCONI CO LTD·Filed 1990·Granted Jul 30, 1991·230 cites·5 claims
- 1490US4328499ARadio direction finding systemsMARCONI CO LTD·Filed 1979·Granted May 4, 1982·79 cites·5 claims
- 1589US4799066AImpedance matching arrangementMARCONI CO LTD·Filed 1986·Granted Jan 17, 1989·249 cites·17 claims
- 1689US3956745AProgrammable keyboard arrangementsMARCONI CO LTD·Filed 1974·Granted May 11, 1976·96 cites·8 claims
- 1788US4920801AAccelerometerMARCONI CO LTD·Filed 1988·Granted May 1, 1990·57 cites·22 claims
- 1888US4240285AMeasurement of the density of liquidsMARCONI CO LTD·Filed 1979·Granted Dec 23, 1980·43 cites·6 claims
- 1988US4213337ALiquid level sensing devicesMARCONI CO LTD·Filed 1978·Granted Jul 22, 1980·42 cites·2 claims
- 2088US4179670AFrequency synthesizer with fractional division ratio and jitter compensationMARCONI CO LTD·Filed 1978·Granted Dec 18, 1979·164 cites·7 claims
- 2187US4959873ATransmission line switchMARCONI CO LTD·Filed 1989·Granted Sep 25, 1990·40 cites·10 claims
- 2286US4803378APulse generatorMARCONI CO LTD·Filed 1986·Granted Feb 7, 1989·39 cites·4 claims
- 2386US4227197ALoad moving devicesMARCONI CO LTD·Filed 1978·Granted Oct 7, 1980·62 cites·15 claims
- 2485US4802333AThrustersMARCONI CO LTD·Filed 1987·Granted Feb 7, 1989·45 cites·2 claims
- 2584US4286380AManipulator mechanismsMARCONI CO LTD·Filed 1980·Granted Sep 1, 1981·56 cites·8 claims
- 2684US3962142AElectrically conducting concreteMARCONI CO LTD·Filed 1974·Granted Jun 8, 1976·45 cites·32 claims
- 2783US5039994ADipole arraysMARCONI CO LTD·Filed 1989·Granted Aug 13, 1991·69 cites·8 claims
- 2883US4683348ASolar cell arraysMARCONI CO LTD·Filed 1986·Granted Jul 28, 1987·100 cites·6 claims
- 2982US4862453ACommunication systemMARCONI CO LTD·Filed 1987·Granted Aug 29, 1989·156 cites·7 claims
- 3082US4312002ACombined radar and infrared scanning antennaMARCONI CO LTD·Filed 1980·Granted Jan 19, 1982·47 cites·2 claims
- 3181US3950844AMethod of making L.E.D. arraysMARCONI CO LTD·Filed 1974·Granted Apr 20, 1976·27 cites·12 claims
- 3280US4412185AFeedforward amplifiersMARCONI CO LTD·Filed 1981·Granted Oct 25, 1983·24 cites·12 claims
- 3380US4274132APower supply arrangementsMARCONI CO LTD·Filed 1979·Granted Jun 16, 1981·26 cites·10 claims
- 3480US4262199AInfra-red target detection and recognition systemMARCONI CO LTD·Filed 1979·Granted Apr 14, 1981·34 cites·4 claims
- 3579US4158117APressure sensitive switchMARCONI CO LTD·Filed 1977·Granted Jun 12, 1979·42 cites·6 claims
- 3678US5025264ACircularly polarized antenna with resonant aperture in ground plane and probe feedMARCONI CO LTD·Filed 1990·Granted Jun 18, 1991·62 cites·14 claims
- 3778US4476566AFrequency hopping radio communications apparatus having pseudo-random _channel selectionMARCONI CO LTD·Filed 1982·Granted Oct 9, 1984·28 cites·9 claims
- 3877US4673947ACassegrain aerial systemMARCONI CO LTD·Filed 1985·Granted Jun 16, 1987·42 cites·8 claims
- 3975US4604725ARotary apparatus having code track with pseudo-random binary digit sequence for indicating rotational positionMARCONI CO LTD·Filed 1983·Granted Aug 5, 1986·28 cites·5 claims
- 4075US4494167AInductorMARCONI CO LTD·Filed 1982·Granted Jan 15, 1985·21 cites·19 claims
- 4175US4051516ADigital processing of PAL color television signals in the form of a Y signal and a composite U+V/U-V signalMARCONI CO LTD·Filed 1975·Granted Sep 27, 1977·19 cites·18 claims
- 4274US3984806ALocation systemsMARCONI CO LTD·Filed 1975·Granted Oct 5, 1976·26 cites·12 claims
- 4373US4532636ARadio communications receiversMARCONI CO LTD·Filed 1982·Granted Jul 30, 1985·30 cites·8 claims
- 4473US4482816APulse circuitsMARCONI CO LTD·Filed 1982·Granted Nov 13, 1984·30 cites·5 claims
- 4573US4129838ASwitching arrangementsMARCONI CO LTD·Filed 1977·Granted Dec 12, 1978·20 cites·14 claims
- 4672US5016020ATransceiver testing apparatusMARCONI CO LTD·Filed 1989·Granted May 14, 1991·42 cites·7 claims
- 4772US4319247ATarget detecting apparatus equipped with testing device for simulating targets at different rangesMARCONI CO LTD·Filed 1979·Granted Mar 9, 1982·35 cites·5 claims
- 4871US4562438ARadar apparatusMARCONI CO LTD·Filed 1981·Granted Dec 31, 1985·33 cites·12 claims
- 4970US4336538ARadar systemsMARCONI CO LTD·Filed 1976·Granted Jun 22, 1982·26 cites·2 claims
- 5070US4143312AStabilized platformsMARCONI CO LTD·Filed 1977·Granted Mar 6, 1979·19 cites·11 claims
Showing the top 50 of 215 patent records by PatentIndex Score.
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