STANADYNE CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 8126
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 479
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6216069 Hidden acquisition module for acquiring data from a vehicleMar 10, 99Apr 10, 01[G01M, G06F]
5766463 Fuel filter cartridgeJul 18, 96Jun 16, 98[B01D]
5688110 Fuel pump arrangement having cam driven low and high pressure reciprocating plunger pump unitsJun 02, 95Nov 18, 97[F02M]
5484527 Module for filter assembly baseDec 13, 93Jan 16, 96[B01D]
RE35101 Fuel injector method and apparatusJan 29, 93Nov 28, 95[F02M]
RE34999 Hole type fuel injector and injection methodJun 02, 93Jul 25, 95[F02M]
RE34956 Distributor type fuel injection pumpOct 04, 93May 30, 95[F04B]
5413711 Fuel filter with internal ventNov 19, 93May 09, 95[B01D]
5312546 Dry change fuel filter systemAug 10, 93May 17, 94[B01D]
5271836 Disposal plug for filter cartridgeAug 10, 92Dec 21, 93[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0017,649 Two stage filter cartridgeAbandonedJul 24, 09Jan 27, 11[B01D]
2010/0314,470 Injector having swirl structure downstream of valve seatAbandonedJun 11, 09Dec 16, 10[B05B, F02M]
2010/0155,321 Filter assemblyAbandonedDec 23, 08Jun 24, 10[B01D]
2008/0314,819 Filter assembly center tube with upstream diverterAbandonedJun 13, 08Dec 25, 08[F02M]
7412896 Filter change indicatorExpiredNov 17, 06Aug 19, 08[H01L]
2008/0175,735 Inlet pressure attenuator for single plunger fuel pumpAbandonedJan 09, 08Jul 24, 08[F04B]
7360433 Filter change indicatorExpiredNov 17, 06Apr 22, 08[G01L]
7249722 Fuel injector with hydraulic flow controlExpiredMar 30, 04Jul 31, 07[F02M]
2007/0084,776 Water separation and filtration structureAbandonedSep 29, 06Apr 19, 07[B01D]
2007/0056,888 Filter change indicatorAbandonedSep 08, 06Mar 15, 07[B01D]
2007/0034,560 Drain valve alignment system for filter assemblyAbandonedAug 09, 05Feb 15, 07[F16K, B01D]
7137303 Filter change indicatorExpiredAug 31, 04Nov 21, 06[G01L]
7089789 System for calibrating an integrated injection nozzle and injection pumpExpiredMar 19, 03Aug 15, 06[F02M]
2006/0175,241 Drain valve insertAbandonedFeb 17, 05Aug 10, 06[B01D]
2006/0159,572 Pilot injection pumpAbandonedJan 18, 05Jul 20, 06[F04B]
2006/0037,908 Reverse flow fuel filterAbandonedAug 19, 05Feb 23, 06[B01D]
2006/0027,489 24-Volt pump adapterAbandonedAug 03, 05Feb 09, 06[F04B, B01D]
6899085 Self-regulating switch for split rail gasoline fuel supply systemExpiredAug 13, 01May 31, 05[F02M]
2004/0136,850 Dual port unit pump injector, and engine efficiency methodsAbandonedOct 17, 03Jul 15, 04[F02M, F04B]
6694950 Hybrid control method for fuel pump using intermittent recirculation at low and high engine speedsExpiredJul 02, 02Feb 24, 04[F02M]

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