Rectangular shape

Patents Grantslast 30 patents

  • Information Patent Grant

    Rectangular filters, assembly and method for filtration

    • Patent number 11,364,458
    • Issue date Jun 21, 2022
    • Filtration Technology Corporation
    • James D. Harris
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Painting facility

    • Patent number 11,235,346
    • Issue date Feb 1, 2022
    • Taikisha Ltd.
    • Kozo Ishida
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air filter arrangement; assembly; and, methods

    • Patent number 11,173,442
    • Issue date Nov 16, 2021
    • Donaldson Company, Inc.
    • Bruce Boehrs
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter

    • Patent number 11,117,140
    • Issue date Sep 14, 2021
    • Volvo Car Corporation
    • Olof Stenvall
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Portable air filter device and method

    • Patent number 11,077,395
    • Issue date Aug 3, 2021
    • Gary Trenda
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reusable air filter

    • Patent number 10,898,843
    • Issue date Jan 26, 2021
    • Samuel Stephen Grimes
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Foldable air filter unit

    • Patent number 10,888,809
    • Issue date Jan 12, 2021
    • Blueair AB
    • Jacob Gunnefur
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Multilayer filter screen and manufacturing method thereof

    • Patent number 10,874,968
    • Issue date Dec 29, 2020
    • FANNO TECHNOLOGIES CO., LTD.
    • Yu-Hsun Fang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Clip-on monitor for detecting clogged air-filters

    • Patent number 10,821,388
    • Issue date Nov 3, 2020
    • Jason Alderman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Air filter with spiral-wrapped frame

    • Patent number 10,744,441
    • Issue date Aug 18, 2020
    • 3M Innovative Properties Company
    • Glen O. Gregerson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter assembly for HVAC apparatus

    • Patent number 10,641,520
    • Issue date May 5, 2020
    • Omachron Intellectual Property Inc.
    • Wayne Ernest Conrad
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element, in particular for gas filtration

    • Patent number 10,596,510
    • Issue date Mar 24, 2020
    • MANN+HUMMEL GMBH
    • Andreas Kloss
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air filter arrangement; assembly; and methods

    • Patent number 10,427,083
    • Issue date Oct 1, 2019
    • Donaldson Company, Inc.
    • Bruce Boehrs
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter with preformed end caps having notch feature

    • Patent number 10,357,731
    • Issue date Jul 23, 2019
    • Baldwin Filters, Inc.
    • Michael J. Von Seggern
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Electrical apparatus for breaking an electric current in air compri...

    • Patent number 10,020,143
    • Issue date Jul 10, 2018
    • Schneider Electric Industries SAS
    • Marc Rival
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Air filter element and filter housing

    • Patent number 9,500,164
    • Issue date Nov 22, 2016
    • Caterpillar, Inc.
    • Shawn Ryon
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filter arrangement; assembly; and, methods

    • Patent number 9,399,972
    • Issue date Jul 26, 2016
    • Donaldson Company, Inc.
    • Bruce Boehrs
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cartridge

    • Patent number 9,266,050
    • Issue date Feb 23, 2016
    • Carl Freudenberg KG
    • Karsten Schulz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air filter arrangement; assembly; and, methods

    • Patent number 8,840,699
    • Issue date Sep 23, 2014
    • Donaldson Company, Inc.
    • Boehrs Allen Bruce
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Square filter bag and cage design

    • Patent number 8,545,605
    • Issue date Oct 1, 2013
    • Alstom Technology Ltd
    • Michael T. Lambert
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method and apparatus for collecting grease from a rooftop exhaust fan

    • Patent number 8,529,669
    • Issue date Sep 10, 2013
    • Alan Warren Gaddy
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Velocity stack mounted air filter assembly

    • Patent number 8,460,421
    • Issue date Jun 11, 2013
    • R2C Performance Products, LLC.
    • Ronald C. Troxell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air filter arrangement; assembly and methods

    • Patent number 8,357,219
    • Issue date Jan 22, 2013
    • Donaldson Company, Inc.
    • Bruce Allen Boehrs
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter arrangement for an air intake system

    • Patent number 8,333,817
    • Issue date Dec 18, 2012
    • Carl Freudenberg KG
    • Uwe Felber
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Space optimized coalescer

    • Patent number 8,114,183
    • Issue date Feb 14, 2012
    • Cummins Filtration IP Inc.
    • Brian W. Schwandt
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filter

    • Patent number 7,704,292
    • Issue date Apr 27, 2010
    • Ruihua Hu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Wound filter element

    • Patent number 7,645,313
    • Issue date Jan 12, 2010
    • Mann & Hummel GmbH
    • Johannes Lampert
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Removable air filter system for compressors

    • Patent number 7,527,665
    • Issue date May 5, 2009
    • Black & Decker Inc.
    • Mark A. Etter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air filter for computers

    • Patent number 6,780,216
    • Issue date Aug 24, 2004
    • Erik Kiilunen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Smoke exhauster

    • Patent number 5,470,365
    • Issue date Nov 28, 1995
    • Sun-Sing Jang
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS FILTERING DEVICE

    • Publication number 20230019062
    • Publication date Jan 19, 2023
    • SUBARU CORPORATION
    • Shinji ADACHI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    TUBULAR FILTER ARRANGEMENT, A FILTER ELEMENT AND USE OF SUCH TUBULA...

    • Publication number 20220347615
    • Publication date Nov 3, 2022
    • Nederman Holding AB
    • Daniel Martin Rousseau
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER UNIT AND METHOD FOR MANUFACTURING THE SAME

    • Publication number 20220339568
    • Publication date Oct 27, 2022
    • TOYU CORPORATION
    • Toshihisa TOYAMA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    RETANGULAR FILTERS, ASSEMBLY AND METHOD FOR FILTRATION

    • Publication number 20220297043
    • Publication date Sep 22, 2022
    • Filtration Technology Corporation
    • James HARRIS
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    RETANGULAR FILTERS, ASSEMBLY AND METHOD FOR FILTRATION

    • Publication number 20220288519
    • Publication date Sep 15, 2022
    • Filtration Technology Corporation
    • James HARRIS
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AIR FILTER AND INDOOR UNIT OF AIR-CONDITIONING APPARATUS

    • Publication number 20220258088
    • Publication date Aug 18, 2022
    • Mitsubishi Electric Corporation
    • Takanori YOSHIDA
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    AIR FILTER ASSEMBLY WITH IMPROVED LIQUID DRAINAGE

    • Publication number 20220241712
    • Publication date Aug 4, 2022
    • CAMFIL AB
    • Daniel IGGANDER
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS

    • Publication number 20220118394
    • Publication date Apr 21, 2022
    • Donaldson Company, Inc.
    • Bruce Boehrs
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE...

    • Publication number 20220107605
    • Publication date Apr 7, 2022
    • Hotaru HASHIKAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Air Vent Remora Air Filtering System

    • Publication number 20220082277
    • Publication date Mar 17, 2022
    • Angelica Lowe
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    AIR FILTER UNIT AND AIR CONDITIONER

    • Publication number 20210252445
    • Publication date Aug 19, 2021
    • Nitto Denko Corporation
    • Masaaki MORI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTRATION MEDIA WITH EXTENDED SURFACE AREA

    • Publication number 20210162333
    • Publication date Jun 3, 2021
    • Parker-Hannifin Corporation
    • SoonDeuk Jeung
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    COMBINED AIR FILTER ELEMENT FILTERING DEVICE

    • Publication number 20210060470
    • Publication date Mar 4, 2021
    • QAP FILTER (CHINA) LTD.
    • Chao RAN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AIR FILTERING COVER ENGAGEABLE WITH INFANT CARRIER

    • Publication number 20210039029
    • Publication date Feb 11, 2021
    • NICOLE NOAR
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS

    • Publication number 20200114296
    • Publication date Apr 16, 2020
    • Donaldson Company, Inc.
    • Bruce Boehrs
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MOTOR VEHICLE ENGINE AIR INTAKE SYSTEM, AN AIR FILTER ENCLOSURE ASS...

    • Publication number 20200032747
    • Publication date Jan 30, 2020
    • Bentley Motors Limited
    • Fabrizio Gobbato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MULTILAYER FILTER SCREEN AND MANUFACTURING METHOD THEREOF

    • Publication number 20190374893
    • Publication date Dec 12, 2019
    • FANNO TECHNOLOGIES CO., LTD
    • YU-HSUN FANG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER

    • Publication number 20190344288
    • Publication date Nov 14, 2019
    • Volvo Car Corporation
    • Olof STENVALL
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AIR PURIFYING APPARATUS, METHOD AND SYSTEM

    • Publication number 20190231918
    • Publication date Aug 1, 2019
    • AIR SANZ HOLDINGS PTY LTD
    • Richard Harold RUBIN
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FILTER ASSEMBLY FOR HVAC APPARATUS

    • Publication number 20190145655
    • Publication date May 16, 2019
    • Omachron Intellectual Property Inc.
    • Wayne Ernest Conrad
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Air Filter With Spiral-Wrapped Frame

    • Publication number 20190046910
    • Publication date Feb 14, 2019
    • 3M Innovative Properties Company
    • Glen O. Gregerson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FLAME ARRESTOR FILTER FOR ELECTRIC EQUIPMENT

    • Publication number 20190022568
    • Publication date Jan 24, 2019
    • Nicholas Chernansky
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Clip-On Monitor for Detecting Clogged Air-Filters

    • Publication number 20190015768
    • Publication date Jan 17, 2019
    • Jason Alderman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Bellows and Filter Element

    • Publication number 20180361300
    • Publication date Dec 20, 2018
    • Mann + Hummel GmbH
    • Markus Roehrig
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Portable Air Filter Device and Method

    • Publication number 20180361291
    • Publication date Dec 20, 2018
    • Gary Trenda
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    RETANGULAR FILTERS, ASSEMBLY AND METHOD FOR FILTRATION

    • Publication number 20180236388
    • Publication date Aug 23, 2018
    • Filtration Technology Corporation
    • James D. HARRIS
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    REUSABLE AIR FILTER

    • Publication number 20180207572
    • Publication date Jul 26, 2018
    • Samuel Stephen Grimes
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Element, in Particular for Gas Filtration

    • Publication number 20180169559
    • Publication date Jun 21, 2018
    • Mann + Hummel GmbH
    • Andreas Kloss
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER WITH PREFORMED END CAPS HAVING NOTCH FEATURE

    • Publication number 20180169555
    • Publication date Jun 21, 2018
    • Baldwin Filters, Inc.
    • Michael J. Von Seggern
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER CARTRIDGE

    • Publication number 20170341005
    • Publication date Nov 30, 2017
    • Carl Freudenberg KG
    • Karsten Schulz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL