GPT LIMITED

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04J MULTIPLEX COMMUNICATION 7118
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 3282
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
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
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6600745 Cell alignersSep 29, 98Jul 29, 03[H04L]
6442163 Depacketizer and a frame aligner including the depacketizerSep 03, 98Aug 27, 02[H04J]
6426964 Telecommunications access systems and equipmentNov 14, 97Jul 30, 02[H04J]
6377542 Rap alternate routeing for ISO 10589Mar 18, 98Apr 23, 02[G08C, G06F, G01R, H04J]
6366372 Burst mode wavelength managerJan 23, 98Apr 02, 02[A04B, H04J]
6278687 MA alternate routeingMar 18, 98Aug 21, 01[G06F]
6271951 Telecommunications networkAug 04, 97Aug 07, 01[H04J]
6240106 Retiming arrangement for SDH data transmission systemDec 24, 97May 29, 01[H04J]
6198560 Operation of optical modulatorsJan 07, 98Mar 06, 01[H04B, G02F]
6185216 Synchronization in an SDH networkJan 09, 98Feb 06, 01[H04Q]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6198755 Time multiplexing/demultiplexing methodExpiredApr 21, 98Mar 06, 01[H04J]
6199205 Data delivery servicesExpiredMar 20, 98Mar 06, 01[H04N]
6169784 Telecommunication line termination testExpiredSep 01, 98Jan 02, 01[H04M]
6141141 Single sideband modulatorsExpiredJan 23, 98Oct 31, 00[G02F]
6104820 Musical massagerExpiredApr 16, 98Aug 15, 00[A61H, H04R]
6035030 Re-establishment of a private circuit in a telecommunications systemExpiredNov 18, 97Mar 07, 00[H04M]
5910070 Weighted hand-controller for remote control of exercise apparatusExpiredOct 08, 97Jun 08, 99[A63B]
5835660 Optical fibre clamping deviceExpiredApr 01, 96Nov 10, 98[G02B]
5822385 Fast serial pattern recognitionExpiredSep 27, 95Oct 13, 98[H04L]
5793760 Method of multiplexing and a multiplexerExpiredJun 03, 97Aug 11, 98[H04J]
5745552 Line communication systems incorporating mains electricity conductors for communicationsExpiredNov 22, 95Apr 28, 98[H04M]
5663947 Switching control system for controlling physical connection structures in a communications systemExpiredMay 30, 95Sep 02, 97[H04Q]
5636260 Telecommunication customer interfaceExpiredMar 28, 95Jun 03, 97[H04M]
5633925 Low loss telephone circuitExpiredDec 20, 94May 27, 97[H04M]
5627824 Telecommunications networkExpiredJul 11, 95May 06, 97[H04J]
5600640 Call processing system for controlling connections in a communications systemExpiredJun 07, 95Feb 04, 97[H04Q]
5596572 System for coordinating connection requestsExpiredMay 25, 95Jan 21, 97[H04Q]
5572574 Cordless telephone registration methodExpiredMar 07, 95Nov 05, 96[H04M, H04Q]
5544172 Method for the digital transmission of dataExpiredApr 12, 94Aug 06, 96[H04L]
5537469 Bandwidth allocation of DPNSS networksExpiredSep 27, 95Jul 16, 96[H04M]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.