Ferranti, plc

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F41G WEAPON SIGHTS; AIMING 128
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5350134 Target identification systemsJul 03, 73Sep 27, 94[F41G]
RE30564 Servo systemsJan 25, 79Mar 31, 81[G05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5387973 Detector apparatus for detecting coherent point-source radiationExpiredDec 18, 84Feb 07, 95[G01B]
5235405 Detector apparatus for detecing coherent monohromatic point-source radiationExpiredFeb 13, 85Aug 10, 93[G01B]
4951042 Pixel memory arrangement for information display systemExpiredJan 05, 88Aug 21, 90[G09G]
4903276 Power supply for radio-frequency excited gas laserExpiredApr 29, 88Feb 20, 90[H01S]
4823271 Data processing arrangementsExpiredAug 28, 85Apr 18, 89[G06F]
4779286 Multiple-fold laserExpiredJun 25, 87Oct 18, 88[H01S]
4772798 Optical scanning apparatusExpiredFeb 27, 87Sep 20, 88[G01J, G02B]
4768028 Display control apparatus having a cursorExpiredMar 28, 86Aug 30, 88[G09G]
4764002 Balanced optical systemExpiredOct 14, 87Aug 16, 88[G02B]
4728809 Pulse circuit for switching a grid electrode of an electron beam generatorExpiredNov 24, 86Mar 01, 88[H03K]
4722601 Apparatus for determining the direction of a line of sightExpiredJul 19, 84Feb 02, 88[G01B]
4714321 Optical viewing apparatusExpiredJul 28, 86Dec 22, 87[G02B]
4714873 Microwave noise measuring apparatusExpiredAug 19, 86Dec 22, 87[G01S, G01R]
4702602 Dither mechanism for ring laser gyroscopeExpiredJul 29, 86Oct 27, 87[G01C]
4702699 Target image presentation systemExpiredFeb 26, 85Oct 27, 87[F41J]
4703489 Waveguide laserExpiredFeb 13, 85Oct 27, 87[H01S]
4701745 Data compression systemExpiredMar 03, 86Oct 20, 87[H03M]
4694229 Servo positioning systemExpiredNov 08, 85Sep 15, 87[G05B]
4691446 Three-dimensional position measuring apparatusExpiredSep 02, 86Sep 08, 87[G01C]
4686615 Power supply circuitExpiredAug 13, 86Aug 11, 87[H02M]

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