FILTERTEK INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
B01D SEPARATION 1133
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
2402 MEDICAL INSTRUMENTS, INSTRUMENTS AND TOOLS FOR LABORATORY USE142
 
  
 
2401 APPARATUS AND EQUIPMENT FOR DOCTORS, HOSPITALS AND LABORATORIES132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D564092 Valve for fluids, especially for the medical techniqueJan 07, 05Mar 11, 08[2402]
7282140 Sump filter with filter element cartridgeSep 02, 04Oct 16, 07[B01D]
D541935 Valve for fluids, especially for the medical techniqueJan 07, 05May 01, 07[2401]
6044859 Valve apparatus and methodMar 03, 97Apr 04, 00[F16K, F16L]
5771935 Check valve, especially for the medical techniqueJan 09, 97Jun 30, 98[F16K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7360556 Check valveExpiredDec 20, 06Apr 22, 08[F16K]
7306768 Filter for medical and laboratory use, especially for blood analysis and the likeExpiredFeb 20, 04Dec 11, 07[B01L]
2007/0164,051 Device for dispensing liquid dropsAbandonedDec 20, 06Jul 19, 07[B65D, B67D]
2007/0167,058 Check valve and method of forming a check valveAbandonedDec 20, 06Jul 19, 07[H01R]
2007/0158,277 Needle-punched non-woven filtration media and in-tank fuel filters suitable for filtering alternative fuelsAbandonedNov 15, 06Jul 12, 07[B01D]
2006/0138,041 Filter for liquids, especially transmission oil in automatic transmissions of motor vehiclesAbandonedDec 28, 05Jun 29, 06[B01D]
6890119 Semisolid product dispensing headExpiredSep 13, 02May 10, 05[B05C, B43K]
2005/0045,566 Filtration media created by sonic weldingAbandonedAug 29, 03Mar 03, 05[B01D]
2003/0052,052 Integrated fuel filter and calibration tube for a fuel injectorAbandonedSep 19, 02Mar 20, 03[B01D]
6450722 Semisolid product dispensing headExpiredJul 03, 00Sep 17, 02[B05C]
5741134 Filter and universal adapter for use with dental aspirator tipsExpiredJun 07, 95Apr 21, 98[A61C]
5688121 Corrugated saliva ejectorExpiredOct 23, 95Nov 18, 97[A61C]
5674200 Air eliminatorExpiredFeb 05, 96Oct 07, 97[A61M]
5417860 Bottle filter and pouring deviceExpiredAug 30, 93May 23, 95[B01D]
5049271 Fuel tank filterExpiredAug 27, 90Sep 17, 91[B01D]
5049274 Friction welding process and filter formed therebyExpiredMay 01, 89Sep 17, 91[B01D]
4966199 Diaphragm-type center flow check valveExpiredJun 08, 89Oct 30, 90[F16K]
4828694 Filter with filtration envelope spacing meansExpiredJan 11, 88May 09, 89[B01D]
4826598 Hermetically sealed transmission filterExpiredNov 29, 85May 02, 89[F01M, B01D]
4749003 Center flow check valveExpiredJan 22, 87Jun 07, 88[F16K]

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