TOLLGRADE COMMUNICATIONS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 3160
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0270,072 BLADE TEST ACCESS MATRIXMar 17, 17Sep 21, 17[G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9270813 Pre-installation frequency domain premises wiring testsAug 18, 14Feb 23, 16[H04M, H04L, H04B]
8948018 Integrated ethernet over coaxial cable, STB, and physical layer test and monitoringOct 24, 11Feb 03, 15[H04B, G06F]
8761350 Home wiring test system with missing filter detectionJun 08, 12Jun 24, 14[H04M]
7508218 Apparatus and method for measuring loop insertion loss single-endedlyMay 23, 07Mar 24, 09[G01R]
7508219 Apparatus and method for measuring loop insertion loss single-endedlyMay 24, 07Mar 24, 09[H04B, G01R]
6650732 Telephony testing systemMar 28, 02Nov 18, 03[H04M]
5251001 Reflected optical power fiber test systemNov 18, 91Oct 05, 93[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0130,111 AGENT-BASED COMMUNICATION SERVICE QUALITY MONITORING AND DIAGNOSTICSAbandonedNov 06, 13May 08, 14[H04N]
2013/0134,998 POWER LINE VOLTAGE MEASUREMENT USING A DISTRIBUTED RESISTANCE CONDUCTORAbandonedNov 30, 12May 30, 13[H01C, G01R]
2012/0306,895 HOME WIRING TEST SYSTEMS AND METHODAbandonedJun 08, 12Dec 06, 12[H04M, G06T]
2012/0307,982 HOME WIRING TEST SYSTEM USING FREQUENCY-BASED MEASUREMENT TECHNIQUESAbandonedJun 08, 12Dec 06, 12[H04M]
2012/0099,629 Communications Wiring Noise Level Monitor and Alarm IndicatorAbandonedOct 24, 11Apr 26, 12[H04B]
2010/0110,894 AUTOMATIC PROVISIONING OF A REMOTE TEST HEAD OF A COMBINED IP/TELEPHONY/CABLE NETWORKAbandonedSep 19, 07May 06, 10[H04L]
7263174 Predicting performance of telephone lines for data servicesExpiredFeb 18, 05Aug 28, 07[H04M]
6914961 Speed binning by neural networkExpiredSep 30, 02Jul 05, 05[H04M]
6901137 Detecting faults in subscriber telephone linesExpiredSep 06, 02May 31, 05[H04M]
6895081 Predicting performance of telephone lines for data servicesExpiredApr 20, 99May 17, 05[H04M]
2005/0068,891 Method and apparatus for network throughput measurementAbandonedSep 25, 03Mar 31, 05[H04J]
6741676 Determining the physical structure of subscriber linesExpiredSep 30, 99May 25, 04[G06Q]
6687336 Line qualification with neural networksExpiredSep 30, 99Feb 03, 04[H04M]
6513025 Multistage machine learning processExpiredDec 09, 99Jan 28, 03[G06N]
6424653 Point-to-point link implemented over a broadcast networkExpiredNov 09, 98Jul 23, 02[H04L, G06F, H04J]
5073919 Automatically testing telephone linesExpiredOct 10, 90Dec 17, 91[H04M, H04B]
4852145 Telephone subscriber loop test systemExpiredJul 22, 88Jul 25, 89[H04M, H04B]

Top Inventors for This Owner

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