BA BUSINESS CREDIT, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5319680 Phase locked loop synchronization system for use in data communicationsSep 03, 91Jun 07, 94[H03D]
5243596 Network architecture suitable for multicasting and resource lockingMar 18, 92Sep 07, 93[H04L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5403533 Process for lining a tubeExpiredMar 26, 91Apr 04, 95[B29C]
5187988 Apparatus for measuring the flow of a fluid mediumExpiredMar 26, 91Feb 23, 93[G01F]
5019256 Ultraviolet lamp rack assemblyExpiredOct 19, 90May 28, 91[C02F]
4972724 Coriolis-type mass flowmeter having a straight measuring tubeExpiredOct 26, 89Nov 27, 90[G01F]
4957005 Coriolis-type flowmeterExpiredOct 05, 89Sep 18, 90[G01F]
4953408 Capacitive type electromagnetic flowmeterExpiredAug 30, 89Sep 04, 90[G01F]
4953409 Noise and offset voltage-compensated electromagnetic flowmeterExpiredAug 31, 89Sep 04, 90[G01F]
4879450 Laser welding techniqueExpiredDec 02, 88Nov 07, 89[B23K]
4868797 Time-shared AGC for ultra-sound liquid level meterExpiredSep 23, 87Sep 19, 89[G01S]
4852409 Signal recovery system for mass flowmeterExpiredJun 09, 88Aug 01, 89[G01F]
4829826 Differential-pressure transducerExpiredMay 06, 88May 16, 89[G01L]
4821569 Parasitic echo pulse rejector for ultrasonic liquid level meterExpiredOct 30, 87Apr 18, 89[G01S, G01F]
4814968 Self-tuning process controllerExpiredOct 19, 87Mar 21, 89[G05B]
4803474 Cursor control matrix for computer graphicsExpiredMar 18, 86Feb 07, 89[G09G]
4788646 Frequency-to-digital value converterExpiredDec 19, 85Nov 29, 88[G01R]
4785672 Printed circuit capacitance electrodesExpiredJun 08, 87Nov 22, 88[G01F]
4774844 Encapsulated electromagnetic flowmeterExpiredJun 25, 87Oct 04, 88[G01F]
4766770 Low duty cycle electromagnetic flowmeterExpiredMar 30, 84Aug 30, 88[G01F]
4756197 Coriolis-type mass flowmeterExpiredApr 20, 87Jul 12, 88[G01F]
4757205 Ultraviolet water treatment apparatusExpiredJun 10, 86Jul 12, 88[G01N]

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