LEVEL 3 COMMUNICATIONS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 3282
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 196
 
  
 
H04J MULTIPLEX COMMUNICATION 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8374167 Voice over internet protocol real time protocol routingApr 01, 08Feb 12, 13[H04L]
8194565 Service level agreements based on objective voice quality testing for voice over IP (VOIP) networksFeb 05, 07Jun 05, 12[H04M, H04L, H04J]
7570633 Screening inbound calls in a packet-based communications networkJul 11, 06Aug 04, 09[H04L]
6141498 Shake corrector for use in an optical apparatus, a photographing apparatus provided with a shake corrector, and a shake correcting methodJun 10, 98Oct 31, 00[G03B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0172,514 METHOD AND APPARATUS FOR CALCULATING PERFORMANCE INDICATORSAbandonedDec 14, 12Jun 19, 14[G06Q]
2010/0027,974 Self Configuring Media Player ControlAbandonedJul 31, 08Feb 04, 10[H04N]
2007/0297,335 SECURE NETWORK ARCHITECTURE WITH QUALITY OF SERVICEAbandonedSep 06, 07Dec 27, 07[H04L]
2006/0112,170 Geo-locating load balancingAbandonedDec 31, 04May 25, 06[G06F]
2003/0115,319 Network pathsAbandonedDec 17, 01Jun 19, 03[G06F]
2003/0043,429 High capacity backboneAbandonedAug 28, 01Mar 06, 03[H04J]
2003/0031,165 Providing voice over internet protocol networksAbandonedAug 10, 01Feb 13, 03[H04L]
2003/0018,451 System, method and computer program product for rating enterprise metricsAbandonedJul 16, 01Jan 23, 03[G06F]
2003/0005,094 TWO-MODE OPERATIONAL SCHEME FOR MANAGING SERVICE AVAILABILITY OF A NETWORK GATEWAYAbandonedSep 30, 99Jan 02, 03[G06F]
2002/0122,420 Method and system for connectionless communication in a cell relay satellite networkAbandonedAug 24, 01Sep 05, 02[H04L]
2002/0009,088 Systems and methods for negotiating virtual circuit paths in packet switched networksAbandonedNov 30, 00Jan 24, 02[H04L]
6310893 Method and system for connectionless communication in a cell relay satellite networkExpiredJun 17, 98Oct 30, 01[H04J]
2001/0030,969 Systems and methods for implementing global virtual circuits in packet-switched networksAbandonedNov 30, 00Oct 18, 01[H04L]
6175872 Collaborative environment for syncronizing audio from remote devicesExpiredDec 12, 97Jan 16, 01[G06F]
5734649 Data packet routerExpiredMay 31, 96Mar 31, 98[H04L]
5701279 Optical information recording-reproducing apparatus including a light beam detector being divided by a division line extending in a direction perpendicular to an information trackExpiredNov 18, 96Dec 23, 97[G11B]
5638742 Poultry support rackExpiredAug 21, 96Jun 17, 97[A47J]
5319781 Generation of schedules using a genetic procedureExpiredMay 03, 91Jun 07, 94[G06F]
5301337 Distributed resource management system using hashing operation to direct resource request from different processors to the processor controlling the requested resourceExpiredApr 06, 90Apr 05, 94[G06F]

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