US Patent No: 5,250,179

Number of patents in Portfolio can not be more than 2000

Compactable filter and compactable filter mounting means

1 Status Updates

Stats

ATTORNEY / AGENT: (SPONSORED)
 

Importance

Loading Importance Indicators... loading....

Abstract

A compactable or incinerateable non-resilient, coreless, cylindrical filter element including an annular pleated filter media having rigid end caps which are sealingly bonded to the pleated filter media with the exterior of the filter element surrounded by, but not part of the filter element, a non-bypassing support cage comprising of perforated sheet formed into a cylinder and having an end cap at each end with the top flanged end of the support cage and the top end cap of the cylindrical filter element sealed between a support housing by sealing rings to thereby prevent leakage of fluid past the end of the filter media.

Loading the Abstract Image... loading....

First Claim

Related Publications

Loading Related Publications... loading....

Patent Owner(s)

Patent OwnerAddressTotal Patents
POROUS MEDIA CORPORATIONST PAUL, MN31

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Spearman, Michael R The Woodlands, TX 27 364

Cited Art

Patent Info (Count) # Cites Year
 
CARRIER CORPORATION (1)
4,946,598 Suction strainer and method of assembly 5 1989
 
FILTER SPECIALISTS, INC. (1)
4,669,167 Method of removing filter bag 26 1985
 
FRAM CORPORATION (1)
4,464,263 Pleated filter element and integral shield and method for making same 30 1982
 
ISP INVESTMENTS INC. (1)
5,045,194 Filter apparatus having a bag with handles 13 1990
 
TOYO ELEMENT KOGYO KABUSHIKI KAISHA (1)
4,522,719 Filter with a tubular filter element 21 1983
 
W. L. GORE & ASSOCIATES, INC. (1)
4,878,930 Filter cartridge 65 1984
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (3)
4,184,966 Tubular filter elements with improved side seam seal 30 1977
4,956,089 Forming an end-cap on a filter cartridge 36 1987
5,015,376 Semi-rigid enhanced area filter element 12 1990

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
DONALDSON COMPANY, INC. (22)
5,803,941 Filter element 19 1995
5,954,849 Filter element 50 1997
6,652,614 Filter system; element configuration; and methods 37 2000
7,070,642 Air cleaner; replaceable filter cartridges; and, methods 26 2003
6,837,920 Filter system; element configuration; and methods 21 2003
6,986,805 Filter system; element configuration; and methods 13 2004
8,216,335 Air cleaner; replaceable filter cartridges; and methods 1 2005
7,537,631 Filter cartridges; air cleaners; and methods 14 2005
7,291,198 Filter system; element configuration; and methods 9 2006
7,524,349 Air cleaner; air filter cartridge and method of manufacturing 17 2006
7,662,203 Air cleaner; replaceable filter cartridges; and, methods 20 2006
8,163,056 Air cleaner having anti-rotational arrangement and methods 1 2006
8,273,143 Air cleaner, replaceable filter cartridges, and methods 0 2007
7,572,310 Filter system; element configuration; and methods 7 2007
8,414,675 Air cleaner; air filter cartridge and method of manufacturing 0 2008
8,292,984 Air cleaner arrangments with end support for cartridge; components; and, methods 0 2008
8,066,791 Air cleaner arrangements with internal and external support for cartridge; components; and, methods 3 2008
8,038,756 Air cleaner arrangements; components; and, methods 3 2008
7,981,186 Air cleaner; air filter cartridge and method of manufacturing 3 2009
7,981,187 Filter system; element configuration; and methods 2 2009
7,988,757 Air cleaner; replaceable filter cartridges; and, methods 3 2010
8,394,166 Air cleaner; replaceable filter cartridges; and, methods 0 2012
 
ROYAL APPLIANCE MFG. CO. (4)
D494329 Conically shaped filter 10 2002
D521137 Filter 10 2005
D520127 Filter assembly 3 2005
D541399 Filter assembly 3 2005
 
BALDWIN FILTERS, INC. (3)
5,685,985 Environmentally friendly filter cartridge 133 1995
6,626,299 Environmentally friendly filter cartridge 17 1997
7,897,046 Fluid filter 0 2006
 
HOME HEALTH MEDICAL EQUIPMENT INCORPORATED, D/B/A AG INDUSTRIES (3)
6,866,700 Filter housing assembly for use in oxygen concentrators and other compressors 7 2002
7,141,101 Filter assembly with noise attenuation 10 2004
7,833,308 Filter assembly with multiple inlets and multiple filter members 0 2008
 
PARKER INTANGIBLES LLC (3)
6,099,729 Coreless non-metallic filter element 18 1997
7,073,670 High capacity depth filter bag 0 2002
7,175,030 High capacity depth filter bag 1 2006
 
CUMMINS FILTRATION IP, INC. (2)
5,556,440 Pressure-actuated radial air filter seal 52 1994
8,276,763 Filter cartridge with flow passage in end plate 0 2007
 
ING. WALTER HENGST GMBH & CO. KG (2)
5,688,396 Oil filter including an angled mounting surface 16 1995
5,660,729 Filter cartridge for a filter for filtering liquid or gaseous media 19 1996
 
PALL CORPORATION (2)
6,113,784 Filter 32 1998
6,096,207 Filter cartridge assembly having a reusable support core structure 24 1998
 
3M INNOVATIVE PROPERTIES COMPANY (1)
5,399,264 Compressible differential pressure energized seals for filter elements and the like 29 1993
 
AIR-MAZE CORPORATION (1)
6,093,231 Air/oil separator with unitary top end cap and flange 15 1998
 
ALFA LAVAL CORPORATE AB (1)
7,287,575 Component for supporting a filter member, a device including a tubular filter member and said component, a plate heat exchanger including a tubular filter member and said component 3 2001
 
AREVA NP INC. (1)
6,269,956 Disposable media filter 0 1998
 
DYNAMIC AIR INC. (1)
5,788,726 In chamber system protectors 0 1996
 
FAIREY ARLON B.V. (1)
6,156,198 Filter element for a fluid filter 7 1998
 
FLEETGUARD, INC. (1)
6,571,962 Cartridge filter element with housing seal retainer 2 2001
 
HYDAC FILTERTECHNIK GMBH (1)
6,695,966 Filter element provided with an ascending pipe 4 2001
 
LABINAL (1)
5,413,712 Filter cartridges for liquid, and to filters fitted with such cartridges 38 1993
 
MAHLE FILTERSYSTEME GMBH (1)
6,706,087 Filter body of a fluid filter, especially an air filter 15 2002
 
POREX CORPORATION (1)
7,125,490 Porous filter 2 2003
 
POROUS MEDIA CORPORATION (1)
5,916,435 Conical coreless filter assembly and element 31 1997
 
WESTERN FILTER CORPORATION (1)
5,984,109 Filter assembly including a disposable coreless filter element 37 1997
 
WIX FILTRATION CORP. (1)
7,543,711 Fluid filter element 2 2005
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (4)
5,853,587 Corrosive resistant disk filter 3 1996
5,935,435 Paint can strainer 2 1998
D556402 Laundry tub drain lint trapper 0 2005
8,444,735 Air cleaner having anti-rotational arrangement and methods 0 2012