STC PLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION157
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5278991 Handover techniquesFeb 14, 91Jan 11, 94[H04Q]
5159607 RF signal synthesisJan 28, 91Oct 27, 92[H04K]
5124827 Ferroelectric liquid crystal cellsJan 28, 91Jun 23, 92[G02F]
5121644 Deploying cables in pipelinesFeb 13, 91Jun 16, 92[B65H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5416779 Time division duplex telecommunication systemExpiredJul 13, 94May 16, 95[H04B]
RE34516 Optical fibre cableExpiredDec 31, 90Jan 18, 94[G02B]
5265263 Handover techniquesExpiredFeb 14, 91Nov 23, 93[H04Q, H04B]
5228026 Technique for time-division duplex cordless telecommunicationExpiredNov 26, 90Jul 13, 93[H04M, H04B]
5220622 Data base searchingExpiredNov 21, 90Jun 15, 93[G06K]
5220643 Monolithic neural network elementExpiredMay 24, 90Jun 15, 93[H01J, G06F, G02B]
5208812 Telecommunications systemExpiredNov 26, 90May 04, 93[H04L, H04J]
5201017 Optical communications systemsExpiredOct 30, 90Apr 06, 93[G02B]
5184081 Fault locationExpiredMar 19, 91Feb 02, 93[G01R]
5160972 Apparatus for controlling deployment of a cableExpiredSep 09, 91Nov 03, 92[B65H, G01B]
5161155 Automatic telecommunications systemsExpiredSep 21, 89Nov 03, 92[H04L, H04G, H04J]
5161153 Synchronous networkExpiredOct 05, 90Nov 03, 92[H04L]
5115207 Automatic signal parameter controlExpiredJul 19, 90May 19, 92[H03G]
5115444 Multichannel cavity laserExpiredDec 11, 90May 19, 92[H01S]
5110224 Flexible cable termination with swivel couplingsExpiredNov 15, 90May 05, 92[G02B]
5105612 Weld reinforcing member for strands in a cableExpiredNov 21, 90Apr 21, 92[D02G]
5102438 Method of manufacturing silicon optical fiber having a compressive surface layerExpiredJan 22, 88Apr 07, 92[C03B, G02B]
5100260 Cable burying equipmentExpiredDec 11, 90Mar 31, 92[F16L]
5090665 Deploying cablesExpiredOct 05, 90Feb 25, 92[B65H]
5083090 Contactless measurement of the electrical resistance per unit length of filamentsExpiredMay 31, 90Jan 21, 92[G01R]

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