Assignee
FERRANTI PLC
GB·70 granted patents·1,805 citations·filing 1980–1988
Top patents by PatentIndex Score
70 records- 0197US4601206AAccelerometer systemFERRANTI PLC·Filed 1984·Granted Jul 22, 1986·265 cites·14 claims
- 0293US4701745AData compression systemFERRANTI PLC·Filed 1986·Granted Oct 20, 1987·241 cites·8 claims
- 0391US4722601AApparatus for determining the direction of a line of sightFERRANTI PLC·Filed 1984·Granted Feb 2, 1988·85 cites·8 claims
- 0489US4686615APower supply circuitFERRANTI PLC·Filed 1986·Granted Aug 11, 1987·79 cites·2 claims
- 0587US4691446AThree-dimensional position measuring apparatusFERRANTI PLC·Filed 1986·Granted Sep 8, 1987·67 cites·6 claims
- 0685US4680012AProjected imaged weapon training apparatusFERRANTI PLC·Filed 1985·Granted Jul 14, 1987·80 cites·14 claims
- 0784US4619616AWeapon aim-training apparatusFERRANTI PLC·Filed 1985·Granted Oct 28, 1986·64 cites·21 claims
- 0882US4714873AMicrowave noise measuring apparatusFERRANTI PLC·Filed 1986·Granted Dec 22, 1987·57 cites·6 claims
- 0982US4611491AAccelerometer systemFERRANTI PLC·Filed 1985·Granted Sep 16, 1986·38 cites·10 claims
- 1082US4481448AAutomatic electrical motor speed controlFERRANTI PLC·Filed 1983·Granted Nov 6, 1984·47 cites·6 claims
- 1175US4618858AInformation display system having a multiple cell raster scan displayFERRANTI PLC·Filed 1983·Granted Oct 21, 1986·43 cites·6 claims
- 1273US4500207ANon-dispersive optical determination of gas concentrationFERRANTI PLC·Filed 1982·Granted Feb 19, 1985·43 cites·13 claims
- 1372US4450585ASignal switching and combining systems for diversity radio receiving systemsFERRANTI PLC·Filed 1982·Granted May 22, 1984·51 cites·8 claims
- 1470US4641038AImaging deviceFERRANTI PLC·Filed 1983·Granted Feb 3, 1987·21 cites·18 claims
- 1569US4580138AMeasurement-expressing apparatusFERRANTI PLC·Filed 1983·Granted Apr 1, 1986·20 cites·3 claims
- 1668US4571663AElectrical circuit assembliesFERRANTI PLC·Filed 1983·Granted Feb 18, 1986·25 cites·10 claims
- 1767US4578603ATemperature-independent gain control circuitFERRANTI PLC·Filed 1983·Granted Mar 25, 1986·16 cites·2 claims
- 1865US4587594AElectrical circuit assembliesFERRANTI PLC·Filed 1983·Granted May 6, 1986·22 cites·19 claims
- 1963US4643539ASightline stablisation apparatusFERRANTI PLC·Filed 1984·Granted Feb 17, 1987·21 cites·5 claims
- 2063US4612720ALarge scale displayFERRANTI PLC·Filed 1984·Granted Sep 23, 1986·31 cites·29 claims
- 2163US4458982AOptical scanning system including a rotatable drum with mirrors and including a rotatable optical shutterFERRANTI PLC·Filed 1982·Granted Jul 10, 1984·16 cites·8 claims
- 2262US4484290ALine disturbance monitorFERRANTI PLC·Filed 1982·Granted Nov 20, 1984·27 cites·17 claims
- 2360US4694229AServo positioning systemFERRANTI PLC·Filed 1985·Granted Sep 15, 1987·23 cites·13 claims
- 2460US4554448AOptical elementsFERRANTI PLC·Filed 1983·Granted Nov 19, 1985·20 cites·9 claims
- 2560US4538177AAutomatic equipmentFERRANTI PLC·Filed 1983·Granted Aug 27, 1985·16 cites·2 claims
- 2659US4768028ADisplay control apparatus having a cursorFERRANTI PLC·Filed 1986·Granted Aug 30, 1988·41 cites·17 claims
- 2759US4630111AImage distortion correction system for electro-optic sensorsFERRANTI PLC·Filed 1984·Granted Dec 16, 1986·16 cites·6 claims
- 2856US4779286AMultiple-fold laserFERRANTI PLC·Filed 1987·Granted Oct 18, 1988·12 cites·11 claims
- 2954US4651951AApparatus for the removal of helmet-mounted equipmentFERRANTI PLC·Filed 1985·Granted Mar 24, 1987·17 cites·18 claims
- 3054US4547677ARadiation detecting apparatus for detecting a brief radiation signalFERRANTI PLC·Filed 1983·Granted Oct 15, 1985·14 cites·9 claims
- 3152US4703489AWaveguide laserFERRANTI PLC·Filed 1985·Granted Oct 27, 1987·11 cites·18 claims
- 3252US4644302AMicrowave power dividerFERRANTI PLC·Filed 1986·Granted Feb 17, 1987·12 cites·3 claims
- 3352US4610758AManufacture of printed circuit boardsFERRANTI PLC·Filed 1984·Granted Sep 9, 1986·13 cites·7 claims
- 3451US4633104ABipolar transistor logic circuitsFERRANTI PLC·Filed 1984·Granted Dec 30, 1986·8 cites·8 claims
- 3550US4636700APosition servo systemFERRANTI PLC·Filed 1984·Granted Jan 13, 1987·15 cites·4 claims
- 3647US4903276APower supply for radio-frequency excited gas laserFERRANTI PLC·Filed 1988·Granted Feb 20, 1990·9 cites·7 claims
- 3747US4625408AMeasuring apparatusFERRANTI PLC·Filed 1981·Granted Dec 2, 1986·7 cites·9 claims
- 3847US4608529AConstant voltage circuitsFERRANTI PLC·Filed 1984·Granted Aug 26, 1986·8 cites·9 claims
- 3946US4520427AElectrical circuit assembliesFERRANTI PLC·Filed 1982·Granted May 28, 1985·13 cites·16 claims
- 4045US4764002ABalanced optical systemFERRANTI PLC·Filed 1987·Granted Aug 16, 1988·14 cites·4 claims
- 4145US4432038ACircuit assembliesFERRANTI PLC·Filed 1983·Granted Feb 14, 1984·11 cites·13 claims
- 4244US4638221AReaction force compensatorFERRANTI PLC·Filed 1985·Granted Jan 20, 1987·14 cites·7 claims
- 4343US4772798AOptical scanning apparatusFERRANTI PLC·Filed 1987·Granted Sep 20, 1988·13 cites·6 claims
- 4443US4633185AChirp signal generator for pulse compression radarFERRANTI PLC·Filed 1983·Granted Dec 30, 1986·6 cites·4 claims
- 4540US4667296ATesting the transfer function linearity of analogue input circuitsFERRANTI PLC·Filed 1984·Granted May 19, 1987·10 cites·16 claims
- 4640US4647142AMethod of extending the field of view in a head-up displayFERRANTI PLC·Filed 1983·Granted Mar 3, 1987·13 cites·5 claims
- 4739US4413316AData processing system for pre-planning the flight of an aircraftFERRANTI PLC·Filed 1980·Granted Nov 1, 1983·9 cites·7 claims
- 4838US5387973ADetector apparatus for detecting coherent point-source radiationFERRANTI PLC·Filed 1984·Granted Feb 7, 1995·8 cites·5 claims
- 4938US4420729AMicrowave phase-shifting apparatusFERRANTI PLC·Filed 1982·Granted Dec 13, 1983·11 cites·7 claims
- 5035US4760313ACathode ray tube display systemsFERRANTI PLC·Filed 1987·Granted Jul 26, 1988·4 cites·10 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →