Oneac Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 671

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5905623 Telephone and data overvoltage protection apparatus including a longitudinal transformerMay 27, 97May 18, 99[H02H]
5677820 Telephone and communications line overvoltage protection apparatusJul 18, 96Oct 14, 97[H02H]
5671110 Ground skew protection method and apparatusJan 23, 96Sep 23, 97[H02H]
5410443 Telephone line overvoltage protectionFeb 26, 93Apr 25, 95[H02H]
5359657 Telephone line overvoltage protection apparatusJun 09, 93Oct 25, 94[H02H]
5357568 Telephone line overvoltage protection method and apparatusJan 24, 94Oct 18, 94[H02H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6639779 Frequency selective transient voltage protectorExpiredDec 19, 01Oct 28, 03[H02H]
2003/0112,572 Frequency selective transient voltage protectorAbandonedApr 04, 02Jun 19, 03[H02H]
5883953 Telephone and data communications line protection module and grounding spring clipExpiredNov 14, 96Mar 16, 99[H04M]
5874788 External backup power supplyExpiredApr 12, 93Feb 23, 99[H02J]
5696820 Telephone and data communications line conditioner systemExpiredAug 27, 96Dec 09, 97[H02H]
5490215 Telecommunications T1 carrier overvoltage and fiber to curb power protectorExpiredMay 12, 94Feb 06, 96[H02H]
5272594 Telephone line overvoltage protection device having aligned, bent terminals supporting a circuit boardExpiredJan 05, 93Dec 21, 93[H05K]
D339101 Uninterruptible power supply controllerExpiredMay 28, 91Sep 07, 93[]
D337987 Terminal cap for a batteryExpiredJun 03, 91Aug 03, 93[]
D335863 Terminal cap for a batteryExpiredJun 03, 91May 25, 93[]
5210937 Method of forming a telephone line overvoltage protection deviceExpiredMar 13, 92May 18, 93[H01R]
5027285 Power line waveform measurement systemExpiredFeb 28, 89Jun 25, 91[G06F]
4971581 Connector guard for a telephone line overvoltage protection deviceExpiredJul 20, 89Nov 20, 90[H01R]
4940947 Line noise signal measurement system using analog signal compression with digital linearity correctionExpiredFeb 28, 89Jul 10, 90[G01R]
4941063 Telephone lines overvoltage protection apparatusExpiredApr 20, 89Jul 10, 90[H02H]
4916438 Battery charging, monitoring and alarm circuitExpiredMay 04, 89Apr 10, 90[G08B]
4878145 Surge/transient protector for a plurality of data linesExpiredNov 21, 88Oct 31, 89[H02H]
4860145 Tap switching protection circuitExpiredOct 11, 85Aug 22, 89[H02H]
4758920 Telephone and data overvoltage protection apparatusExpiredMar 02, 87Jul 19, 88[H02H]
4725739 AC branch power distribution filterExpiredOct 10, 86Feb 16, 88[H02J, H03H]

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