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Hampshire, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for and method of monitoring a rotating machine
Patent number
6,347,548
Issue date
Feb 19, 2002
Stewart Hughes Limited
Honor Powrie
G07 - CHECKING-DEVICES
Information
Patent Grant
Method and apparatus for monitoring a lubricant
Patent number
6,032,100
Issue date
Feb 29, 2000
Stewart Hughes Limited
Roy Forfitt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Optical tracker system for determining the position of a rotating body
Patent number
5,929,431
Issue date
Jul 27, 1999
Stewart Hughes Limited
Maxwell Richard Hadley
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Variable gain amplifier providing substantially uniform magnitude o...
Patent number
5,786,730
Issue date
Jul 28, 1998
Stewart Hughes Limited
Maxwell Richard Hadley
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Gas path electrostatic sensor
Patent number
5,705,930
Issue date
Jan 6, 1998
Stewart Hughes Limited
Roy Forfitt
G01 - MEASURING TESTING
Information
Patent Grant
Rotor blade tracking devices
Patent number
5,249,470
Issue date
Oct 5, 1993
Stewart Hughes Limited
Maxwell R. Hadley
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Tacho signal processing
Patent number
4,924,420
Issue date
May 8, 1990
Stewart Hughes Limited
Maxwell R. Hadley
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Monitoring of foreign object ingestion in engines
Patent number
4,888,948
Issue date
Dec 26, 1989
Stewart Hughes Limited
Celia E. Fisher
G01 - MEASURING TESTING
Information
Patent Grant
Detector device for a blade tracking system having two sensors
Patent number
4,812,643
Issue date
Mar 14, 1989
Stewart Hughes Limited
Richard Talbot
B64 - AIRCRAFT AVIATION COSMONAUTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75350906
Serial number
75350906
Registration number
2351120
Filing date
Sep 3, 1997
Stewart Hughes Limited
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75350980 - PMAS
Serial number
75350980
Registration number
2359044
Filing date
Sep 3, 1997
Stewart Hughes Limited
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments