having a concertina shape

Industry

  • CPC
  • B01D29/213
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter element with a luminescent marker

    • Patent number 10,478,760
    • Issue date Nov 19, 2019
    • HYDAC FILTERTECHNIK GMBH
    • Volkmar Klein
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Self-supporting folded sheet material, filter elements, and methods

    • Patent number 10,112,130
    • Issue date Oct 30, 2018
    • Donaldson Company, Inc.
    • Jacob C. Savstrom
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Connecting element for multilayer media, filter element, and method...

    • Patent number 9,095,796
    • Issue date Aug 4, 2015
    • MANN+HUMMEL GMBH
    • Michael Maier
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filter device

    • Patent number 9,038,830
    • Issue date May 26, 2015
    • 3M Innovative Properties Company
    • Jeffrey A. Lucas
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel intake device for fuel systems

    • Patent number 5,924,445
    • Issue date Jul 20, 1999
    • Sikorsky Aircraft Corporation
    • Gregg J. Ambrose
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Self-sealing liquid filter

    • Patent number 5,702,603
    • Issue date Dec 30, 1997
    • Todd W. Johnson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter assembly

    • Patent number 4,937,005
    • Issue date Jun 26, 1990
    • Richard J. Shelstad
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Contractible fuel filter device

    • Patent number 4,561,977
    • Issue date Dec 31, 1985
    • Nissan Motor Company, Limited
    • Michiaki Sasaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Filter device

    • Patent number 4,320,002
    • Issue date Mar 16, 1982
    • Makoto Ihara
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Filter apparatus, especially for a liquid to be fed to a power-plan...

    • Patent number 4,094,793
    • Issue date Jun 13, 1978
    • Ludwig Taprogge Reinigungsanlagen fur Rohren-Warmeaustauscher
    • Dieter Patzig
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    High surface to volume structure and method of generating same

    • Patent number 4,062,773
    • Issue date Dec 13, 1977
    • Baxter Travenol Laboratories, Inc.
    • Ronald J. Leonard
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Filter apparatus with an accordion-type filter medium for compactio...

    • Patent number 3,997,446
    • Issue date Dec 14, 1976
    • Masatsugu Nagakura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3497070

    • Patent number 3,497,070
    • Issue date Feb 24, 1970
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3447689

    • Patent number 3,447,689
    • Issue date Jun 3, 1969
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3395803

    • Patent number 3,395,803
    • Issue date Aug 6, 1968
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3334748

    • Patent number 3,334,748
    • Issue date Aug 8, 1967
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3099546

    • Patent number 3,099,546
    • Issue date Jul 30, 1963
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3070233

    • Patent number 3,070,233
    • Issue date Dec 25, 1962
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3056499

    • Patent number 3,056,499
    • Issue date Oct 2, 1962
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3053395

    • Patent number 3,053,395
    • Issue date Sep 11, 1962
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2955713

    • Patent number 2,955,713
    • Issue date Oct 11, 1960
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2933192

    • Patent number 2,933,192
    • Issue date Apr 19, 1960
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2822201

    • Patent number 2,822,201
    • Issue date Feb 4, 1958
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2754002

    • Patent number 2,754,002
    • Issue date Jul 10, 1956
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2732951

    • Patent number 2,732,951
    • Issue date Jan 31, 1956
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2685371

    • Patent number 2,685,371
    • Issue date Aug 3, 1954
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2556521

    • Patent number 2,556,521
    • Issue date Jun 12, 1951
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2330625

    • Patent number 2,330,625
    • Issue date Sep 28, 1943
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2274352

    • Patent number 2,274,352
    • Issue date Feb 24, 1942
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2129188

    • Patent number 2,129,188
    • Issue date Sep 6, 1938
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents