T & D CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 253
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9885425 Valve systemMar 16, 12Feb 06, 18[F16K]
8393594 Drive mechanism, actuator, and valveNov 05, 08Mar 12, 13[F16K]
8275566 Measuring apparatus and measuring methodMar 20, 09Sep 25, 12[G01K]
7822934 Multipurpose semiconductor integrated circuit deviceJun 30, 04Oct 26, 10[G06F]
6978217 Data collection method and devices thereforSep 13, 02Dec 20, 05[G06F]
6628208 Measurement deviceJul 19, 00Sep 30, 03[G08C]
6233534 Measuring unit, measuring data management apparatus, measuring method and measuring data management methodSep 02, 98May 15, 01[G08C, G06F, G01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0049,162 BUFFER MANIPULATIONAbandonedAug 16, 07Feb 19, 09[G06F]
2008/0244,075 High performance real-time data multiplexerAbandonedMar 29, 07Oct 02, 08[G06F]

Top Inventors for This Owner

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