Cole-Parmer Instrument Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 854
 
  
 
2402 MEDICAL INSTRUMENTS, INSTRUMENTS AND TOOLS FOR LABORATORY USE142

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8052399 Peristaltic pumpOct 17, 08Nov 08, 11[F04B]
7980835 Tube retainer system for a peristaltic pumpJan 19, 07Jul 19, 11[F04B]
7874819 Marked tube for a peristaltic pumpFeb 21, 07Jan 25, 11[F16L, F04B]
D605286 Tube retainerJan 19, 07Dec 01, 09[2402]
7478999 Peristaltic pumpMar 03, 05Jan 20, 09[F04B]
6494693 Peristatic pumpOct 23, 00Dec 17, 02[F04B]
5482447 Peristaltic pump with rigid fluoroplastic tubingMay 24, 95Jan 09, 96[F04B]
5468129 Peristaltic pumpAug 05, 94Nov 21, 95[F04B]
5257917 Peristaltic pump having means for reducing flow pulsationOct 02, 92Nov 02, 93[F04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6742925 Method and apparatus for verifying accuracy of an infrared thermometerExpiredNov 19, 01Jun 01, 04[G01K, G01J]
6374466 Spring loaded and latchable stake pocket tie down apparatusExpiredOct 23, 00Apr 23, 02[F16G]
5520058 Magnetic reluctance flowmeterExpiredApr 05, 95May 28, 96[G01F]
5507190 Flowmeter with improved end stopsExpiredAug 09, 94Apr 16, 96[G01F]
5380173 Peristaltic pumpExpiredSep 20, 93Jan 10, 95[F04B]
D332738 Support standExpiredSep 05, 90Jan 26, 93[]
5082429 Peristaltic pumpExpiredAug 28, 90Jan 21, 92[F04B]
4910682 Method of calibrating and determining the rotational and fluid delivery velocities of a peristaltic fluid pumpExpiredDec 18, 87Mar 20, 90[F04B, G01F]
4886431 Peristaltic pump having independently adjustable cartridgesExpiredApr 29, 88Dec 12, 89[F04B]
4715786 Control method and apparatus for peristaltic fluid pumpExpiredDec 14, 84Dec 29, 87[F04B]
4690307 Dispensing system with slidable modulesExpiredFeb 13, 84Sep 01, 87[F04B]
D282617 Combined dressing and condiment dispenserExpiredAug 01, 83Feb 18, 86[]
4552516 Peristaltic pumpExpiredJun 15, 84Nov 12, 85[F04B]
4527323 Tubing loading keyExpiredOct 11, 83Jul 09, 85[B23P, F04B]
4519754 Peristaltic pump having variable occlusion ratesExpiredNov 17, 83May 28, 85[F04B]
4513885 Dispenser having a flexible fluid container and a rotor compressible fluid discharge tubeExpiredSep 29, 82Apr 30, 85[B67D]
4423968 Accurate hand-held digital readout thermometerExpiredMay 26, 81Jan 03, 84[G01K]
4315718 Peristaltic pump and bearing arrangement thereforExpiredSep 17, 79Feb 16, 82[F04B]
4231725 Peristaltic pumpExpiredOct 16, 78Nov 04, 80[F04B]
4228930 Dispensing pumpExpiredSep 09, 77Oct 21, 80[F04B]

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