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