CHECKFLUID INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9435670 Oil port position sensing deviceMay 02, 14Sep 06, 16[G01D, E21B]
6892999 Probe activated valve systemNov 15, 02May 17, 05[F16K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0194,555 Flared Tube and Valve ConnectionAbandonedMar 05, 05Sep 08, 05[F16K]
2005/0194,557 Flatface Fluid Fluid Sampling ValveAbandonedMar 04, 05Sep 08, 05[F16L]
2004/0124,635 Removable Quick ConnectionAbandonedSep 17, 03Jul 01, 04[F16L]

Top Inventors for This Owner

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