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Ilford, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Optical sensing arrangements
Patent number
8,111,584
Issue date
Feb 7, 2012
Plessey Overseas Limited
Robert John Langston
G01 - MEASURING TESTING
Information
Patent Grant
Asynchronous time division switching arrangement and a method of op...
Patent number
5,212,686
Issue date
May 18, 1993
Plessey Overseas Limited
Andrew K. Joy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High frequency master/slave flip-flops
Patent number
5,200,650
Issue date
Apr 6, 1993
Plessey Overseas Limited
Nicholas P. Cowley
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Phase detector
Patent number
5,157,341
Issue date
Oct 20, 1992
Plessey Overseas Limited
Ian G. Fobbester
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
AM/FM modulator in which AM can be converted to FM by vector addition
Patent number
5,155,455
Issue date
Oct 13, 1992
Plessey Overseas Limited
Nicholas P. Cowley
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Fibre optic sensor
Patent number
5,095,514
Issue date
Mar 10, 1992
Plessey Overseas Limited
Alan C. Curtis
G01 - MEASURING TESTING
Information
Patent Grant
Thermal IR detector electrode configuration
Patent number
5,095,215
Issue date
Mar 10, 1992
Plessey Overseas Limited
Nicholas M. Shorrocks
G01 - MEASURING TESTING
Information
Patent Grant
Equalizers
Patent number
5,091,918
Issue date
Feb 25, 1992
Plessey Overseas Limited
Stephen W. Wales
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Doped polymer films for waveguides
Patent number
5,080,931
Issue date
Jan 14, 1992
Plessey Overseas Limited
Clive Trundle
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical data storage
Patent number
5,061,582
Issue date
Oct 29, 1991
Plessey Overseas Limited
Jack Brettle
G11 - INFORMATION STORAGE
Information
Patent Grant
Light emitting diode array with aligned solder bumps
Patent number
5,060,027
Issue date
Oct 22, 1991
Plessey Overseas Limited
Peter B. Hart
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
High speed asynchronous data interface
Patent number
5,050,194
Issue date
Sep 17, 1991
Plessey Overseas Limited
Andrew J. Pickering
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Thin film deposition process
Patent number
5,045,348
Issue date
Sep 3, 1991
Plessey Overseas Limited
Crofton J. Brierley
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Circuit arrangement for verifying data stored in a random access me...
Patent number
5,046,047
Issue date
Sep 3, 1991
Plessey Overseas Limited
Richard G. Cliff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data path checking system
Patent number
5,042,038
Issue date
Aug 20, 1991
Plessey Overseas Limited
Richard J. Proctor
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fluid compressor
Patent number
5,032,056
Issue date
Jul 16, 1991
Plessey Overseas Limited
Nicholas Black
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Reversible infra-red recording medium
Patent number
5,026,619
Issue date
Jun 25, 1991
Plessey Overseas Limited
Clive Trundle
G11 - INFORMATION STORAGE
Information
Patent Grant
Vernier structure for flip chip bonded devices
Patent number
5,022,580
Issue date
Jun 11, 1991
Plessey Overseas Limited
David J. Pedder
G02 - OPTICS
Information
Patent Grant
Acoustic sensing arrangements
Patent number
5,022,012
Issue date
Jun 4, 1991
Plessey Overseas Limited
Leslie K. Godfrey
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Universal cell for bipolar NPN and PNP transistors and resistive el...
Patent number
5,021,856
Issue date
Jun 4, 1991
Plessey Overseas Limited
Larry B. Wheaton
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Crystal oscillator with offset and hysteresis
Patent number
5,010,308
Issue date
Apr 23, 1991
Plessey Overseas Limited
Nicholas P. Cowley
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Metal surface cleaning processes
Patent number
5,000,819
Issue date
Mar 19, 1991
Plessey Overseas Limited
David J. Pedder
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Analog to digital converters
Patent number
4,987,416
Issue date
Jan 22, 1991
Plessey Overseas Limited
Thomas C. Leslie
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Process for the manufacture of III-V semiconductor devices
Patent number
4,981,808
Issue date
Jan 1, 1991
Plessey Overseas Limited
Roger C. Hayes
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Analogue to digital conversion: method and apparatus therefor
Patent number
4,982,193
Issue date
Jan 1, 1991
Plessey Overseas Limited
Peter H. Saul
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Guided-wave optical wavelength duplexer
Patent number
4,979,790
Issue date
Dec 25, 1990
Plessey Overseas Limited
Robert G. Walker
G02 - OPTICS
Information
Patent Grant
HF radio communication systems with frequency management
Patent number
4,980,924
Issue date
Dec 25, 1990
Plessey Overseas Limited
Allyson P. C. Reed
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor diode laser array
Patent number
4,975,923
Issue date
Dec 4, 1990
Plessey Overseas Limited
Jens Buus
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Radar system for determining first time around targets from multipl...
Patent number
4,973,968
Issue date
Nov 27, 1990
Plessey Overseas Limited
David L. Hurd
G01 - MEASURING TESTING
Information
Patent Grant
Radar transparent materials
Patent number
4,970,634
Issue date
Nov 13, 1990
Plessey Overseas Limited
William G. Howell
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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