Purolator Facet, 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 591
 
  
 
B01D SEPARATION 3131
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7497257 Particle control screen with depth filtrationAug 23, 06Mar 03, 09[E21B]
6540917 Cyclonic inertial fluid cleaning apparatusNov 10, 00Apr 01, 03[B01D]
6514408 Welded particle control screen assembliesMay 30, 00Feb 04, 03[B01D]
6415509 Methods of fabricating a thin-wall expandable well screen assemblyMay 18, 00Jul 09, 02[B23P]
6109349 Particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making the sameApr 09, 99Aug 29, 00[E21B]
5899271 Particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making the sameJul 16, 98May 04, 99[E21B]
5782299 Particle control screen assembly for a perforated pipe used in a well, a sand filter system and methods of making the sameAug 08, 96Jul 21, 98[E21B]
5632891 Self venting septums for use in a liquid filtration systemNov 17, 95May 27, 97[B01D]
5411084 Sand filter system for use in a wellJun 13, 94May 02, 95[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0224,749 Filter Mesh Assembly for a Plastic Extruder Filter AssemblyAbandonedFeb 12, 13Aug 14, 14[B01D]
2012/0261,325 Filter Assembly Locking Mechanism and Method of Using SameAbandonedApr 12, 11Oct 18, 12[B23P, B01D]
2012/0211,408 Extended Area Filter With Internal Support StructuresAbandonedJul 19, 11Aug 23, 12[B01D]
2012/0211,411 Extended Area FilterAbandonedFeb 21, 11Aug 23, 12[B01D]
7578344 Unsintered mesh sand control screenExpiredDec 09, 05Aug 25, 09[E21B]
2007/0062,860 Fluid control deviceAbandonedSep 16, 05Mar 22, 07[B01D]
2006/0065,609 Fluid control deviceAbandonedSep 30, 04Mar 30, 06[C02F]
5937944 Particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making the sameExpiredSep 12, 97Aug 17, 99[E21B]
5607778 Method of manufacturing a porous metal matExpiredJul 20, 95Mar 04, 97[B23K, B32B]
5045192 Filter assembly with lockable lug meansExpiredSep 08, 89Sep 03, 91[B01D]
4863807 Multi-layered thermal insulating piston capExpiredSep 19, 88Sep 05, 89[F02F]
4745876 Differential pressure responsive indicating deviceExpiredNov 21, 85May 24, 88[G01L]
4729339 Pressure differential indicator with non-mechanical thermal lockoutExpiredApr 21, 86Mar 08, 88[G01L]

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