PTI TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 9125
 
  
 
B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS167
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9427691 Antimicrobial air filterMar 13, 15Aug 30, 16[B01D]
7992723 Filter cartridge with inlet flow diffuserOct 25, 07Aug 09, 11[B01D]
6959819 Fatigue rated glass filled plastic filter assembly incorporating a coreless plastic filter element with integral sealOct 08, 02Nov 01, 05[B01D]
6908545 Hydraulic filter assembly with priority valveAug 08, 02Jun 21, 05[B01D]
6471853 Prognostic health monitoring of fluidic systems using MEMS technologyNov 22, 00Oct 29, 02[B01D]
6179131 Fusion-welded thermoplastic filter assembly and a method of fabricating the sameJun 25, 98Jan 30, 01[B01D]
6006924 Multi-media filtration system with reusable and demountable filter cartridgeMay 14, 97Dec 28, 99[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0023,333 Missing element indicatorAbandonedJul 29, 05Feb 01, 07[B01D]
2005/0228,609 Wireless MEMS sensing deviceAbandonedJun 09, 05Oct 13, 05[G06M, G06F, G01D]
2005/0211,609 Hydraulic filter assembly with priority valveAbandonedMay 12, 05Sep 29, 05[B01D]
2005/0211,623 Fatigue rated glass filled plastic filter assembly incorporating a coreless plastic filter element with integral sealAbandonedMay 26, 05Sep 29, 05[B01D]
2005/0199,283 Hydraulic filter assembly with priority valveAbandonedMay 12, 05Sep 15, 05[G05D]
6936160 Wireless MEMS sensing deviceExpiredOct 28, 02Aug 30, 05[B01D]
2005/0178,716 Filter assembly and filter element with integral sealAbandonedApr 08, 05Aug 18, 05[B01D]
6904788 Single-body multiple sensing deviceExpiredJul 30, 04Jun 14, 05[G01N]
6901812 Single-body dual-chip Orthogonal sensing transit-time flow deviceExpiredDec 30, 02Jun 07, 05[G01F]
2005/0109,680 Sensing device using MEMS technology and prognostic health monitoringAbandonedDec 07, 04May 26, 05[B01D]
2005/0109,681 Prognostic health monitoring of fluidic systems using MEMS technologyAbandonedJan 04, 05May 26, 05[B01D]
2005/0092,102 Single-body dual-chip orthogonal sensing transit-time flow device using a parabolic relecting surfaceAbandonedNov 12, 04May 05, 05[G01F]
2005/0087,025 Single-body dual-chip orthogonal sensing transit-time flow deviceAbandonedNov 03, 04Apr 28, 05[G01F]
6880405 Electrical/visual differential pressure indicator with solid state sensorExpiredDec 30, 02Apr 19, 05[G01L]
6854339 Single-body dual-chip orthogonal sensing transit-time flow device using a parabolic reflecting surfaceExpiredDec 30, 02Feb 15, 05[G01F]
6855249 Prognostic health monitoring of fluidic systems using MEMS technologyExpiredApr 05, 04Feb 15, 05[B01D]
6852216 Sensing device using MEMS technology and prognostic health monitoringExpiredOct 28, 02Feb 08, 05[B01D]
2004/0255,684 Electrical/visual differential pressure indicator with solid state sensorAbandonedJul 16, 04Dec 23, 04[G01L]
6823718 Single-body multiple sensing deviceExpiredOct 28, 02Nov 30, 04[G01M]
6818122 Dual stage filter element bypass valveExpiredAug 23, 02Nov 16, 04[B01D]

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