Sensor Dynamics, Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 492
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 456
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 353
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR265
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6817257 Apparatus for the remote measurement of physical parametersDec 04, 02Nov 16, 04[G01M, G01N, G02B, G01D]
6766703 Apparatus and method for enhancing remote sensor performance and utilitySep 21, 00Jul 27, 04[G01D]
RE38052 Sensing apparatus for sensing pressure or temperature in oil wells, including transmitter relaying pressure or temperature information to a remote control pointDec 09, 98Apr 01, 03[G01L, E21B]
6532839 Apparatus for the remote measurement of physical parametersNov 02, 99Mar 18, 03[G01M]
6442304 Apparatus and method for protecting devices, especially fibre optic devices, in hostile environmentsAug 14, 00Aug 27, 02[G02B]
6006828 Apparatus for the remote deployment of valvesMar 13, 97Dec 28, 99[E21B]
5992250 Apparatus for the remote measurement of physical parametersMar 26, 97Nov 30, 99[G01D]
5991026 Apparatus for multiplexing fibre-optic sensing interferometersMar 07, 97Nov 23, 99[G01B]
5804713 Apparatus for sensor installations in wellsMar 19, 97Sep 08, 98[G08C, G01D, E21B]
5582064 Remotely deployable pressure sensorJan 17, 95Dec 10, 96[G01L, E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5515459 Optical fibre pressure sensorExpiredAug 15, 94May 07, 96[G02B]

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