with bellows, diaphragms or pistons

Industry

  • CPC
  • A47L5/20
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cleaning device with aerodynamic oscillator

    • Patent number 9,173,535
    • Issue date Nov 3, 2015
    • Koninklijke Philips N.V.
    • Jan Frederik Suijver
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaning device, comprising a unit with a movable surface fo...

    • Patent number 8,857,013
    • Issue date Oct 14, 2014
    • Koninklijke Philips N.V.
    • Gerben Kooijman
    • B08 - CLEANING
  • Information Patent Grant

    Vacuum cleaners especially quiet vacuum cleaners, pumps, and engines

    • Patent number 8,272,854
    • Issue date Sep 25, 2012
    • Charles A. Castronovo
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1763397

    • Patent number 1,763,397
    • Issue date Jun 10, 1930
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1627377

    • Patent number 1,627,377
    • Issue date May 3, 1927
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1351210

    • Patent number 1,351,210
    • Issue date Aug 31, 1920
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER CLEANING UNIT, VACUUM CLEANER AND METHOD FOR CLEANING A FILT...

    • Publication number 20250082154
    • Publication date Mar 13, 2025
    • HILTI AKTIENGESELLSCHAFT
    • Roman PODHORNY
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VACUUM DRILL DUST EXTRACTOR

    • Publication number 20240090719
    • Publication date Mar 21, 2024
    • Werner Meyer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CLEANING DEVICE WITH AERODYNAMIC OSCILLATOR

    • Publication number 20140373308
    • Publication date Dec 25, 2014
    • Jan Frederik Suijver
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM CLEANING DEVICE, COMPRISING A UNIT WITH A MOVABLE SURFACE FO...

    • Publication number 20130160230
    • Publication date Jun 27, 2013
    • Koninklijke Philips Electronics N.V.
    • Gerben Kooijman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    ROTARY ENGINES

    • Publication number 20060265835
    • Publication date Nov 30, 2006
    • Charles A. Castronovo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary engines

    • Publication number 20050246859
    • Publication date Nov 10, 2005
    • Charles A. Castronovo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vaccum cleaners especially quiet vacuum cleaners, pumps, and engines

    • Publication number 20050241102
    • Publication date Nov 3, 2005
    • Charles A. Castronovo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...