Pumps using negative pressure acting directly on the liquid to be pumped

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for moving viscous fluid by suction

    • Patent number 12,140,161
    • Issue date Nov 12, 2024
    • DANHYDRA A/S
    • Thomas Hove
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum air lift systems including a fluidic oscillator

    • Patent number 11,767,235
    • Issue date Sep 26, 2023
    • Searen, LLC
    • Thomas Wood Andrews
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Venturi vacuum drawback assemblies and dual orifice venturi valve a...

    • Patent number 11,555,638
    • Issue date Jan 17, 2023
    • DWYER INSTRUMENTS, LLC
    • Lars O. Rosaen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum air lift systems including a photobioreactor

    • Patent number 11,161,756
    • Issue date Nov 2, 2021
    • Searen, LLC
    • Thomas Wood Andrews
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Liquid storage tank upper cover assembly of drawing or adding liqui...

    • Patent number 11,073,140
    • Issue date Jul 27, 2021
    • Jiashan Jinzhan Tool Co., Ltd.
    • Jinquan Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multifunctional air extraction boosting pump

    • Patent number 10,808,731
    • Issue date Oct 20, 2020
    • Heng-Yi Hsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum air lift systems including a fluidized bed reactor

    • Patent number 10,618,824
    • Issue date Apr 14, 2020
    • Searen, LLC
    • Thomas Wood Andrews
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Pumping systems and methods

    • Patent number 10,557,480
    • Issue date Feb 11, 2020
    • Razmik David Gharakhanian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum air lift systems and methods

    • Patent number 10,233,096
    • Issue date Mar 19, 2019
    • Searen, LLC
    • Thomas Wood Andrews
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum-assisted-pumping system and method

    • Patent number 10,219,663
    • Issue date Mar 5, 2019
    • Samuel Dale Fox
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid transfer device based on pneumatic sucking and expelling

    • Patent number 10,139,010
    • Issue date Nov 27, 2018
    • CHUAN JIING ENTERPRISE CO., LTD.
    • Tien-Tsai Tseng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid lifting device and liquid lifting method

    • Patent number 9,512,857
    • Issue date Dec 6, 2016
    • Murata Manufacturing Co., Ltd.
    • Nobuhira Tanaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Vacuum system

    • Patent number 9,506,478
    • Issue date Nov 29, 2016
    • Edwards Limited
    • Graham Thomas Legge
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Fluid pumping system and a fluid turbine system including the fluid...

    • Patent number 9,447,795
    • Issue date Sep 20, 2016
    • UNITED ARAB EMIRATES UNIVERSITY
    • Fathi M. Allan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sizing tank with electro-mechanical controlled water flows

    • Patent number 9,056,419
    • Issue date Jun 16, 2015
    • Richard C. Bell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Steam powered pump

    • Patent number 8,858,190
    • Issue date Oct 14, 2014
    • Watson McDaniel Company
    • Robert Collins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vacuum sizing tank with electro-mechanical controlled water flows

    • Patent number 8,807,163
    • Issue date Aug 19, 2014
    • Richard C. Bell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Bilge pump and method

    • Patent number 8,672,639
    • Issue date Mar 18, 2014
    • William L. Wallace
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Balancing liquid pumping system

    • Patent number 8,535,018
    • Issue date Sep 17, 2013
    • Jean-Marc Bouvier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum generating unit

    • Patent number 8,043,071
    • Issue date Oct 25, 2011
    • SMC Kabushiki Kaisha
    • Yoshihiro Fukano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for drawing fluid

    • Patent number 8,016,575
    • Issue date Sep 13, 2011
    • Jui Hwa Yeo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston pump

    • Patent number 7,819,726
    • Issue date Oct 26, 2010
    • Stork Food Systems France
    • Jacques Le Paih
    • A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
  • Information Patent Grant

    Liquid aspirator

    • Patent number 7,814,926
    • Issue date Oct 19, 2010
    • OASE GmbH
    • Dieter Hoffmeier
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Automatic pressure-relieving apparatus for suction pump

    • Patent number 7,798,785
    • Issue date Sep 21, 2010
    • Chuan Jiing Enterprises Co., Ltd.
    • Tien-Tsai Tseng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Manually operated vacuum pump and refill device

    • Patent number 7,641,452
    • Issue date Jan 5, 2010
    • Lih Yann Industrial Co., Ltd.
    • Lin Po Liao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumping device

    • Patent number 7,367,366
    • Issue date May 6, 2008
    • Lih Yann Industrial Co., Ltd.
    • Po-Lin Liao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Joint for a fluid pumping apparatus

    • Patent number 7,104,290
    • Issue date Sep 12, 2006
    • Tien Tsai Tseng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid pumping device

    • Patent number 7,093,624
    • Issue date Aug 22, 2006
    • Yo Lee Manufacturing Inc.
    • Chi-Liang Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable suction system

    • Patent number 6,962,176
    • Issue date Nov 8, 2005
    • Neil A Veira
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for adjusting the degree of vacuum in an apparatus for colle...

    • Patent number 6,959,722
    • Issue date Nov 1, 2005
    • Eurosets S.r.l.
    • Paolo Fontanili
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONVEYING DEVICE FOR CONVEYING A LIQUID/GAS MIXTURE TAKEN FROM A BO...

    • Publication number 20240369077
    • Publication date Nov 7, 2024
    • LEISTRITZ PUMPEN GMBH
    • Roland MAURISCHAT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR EXTRACTOR

    • Publication number 20230375007
    • Publication date Nov 23, 2023
    • Zhejiang University
    • Xin LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND SYSTEM FOR TRANSPORTATING FLUID, AND DEVICE EMPLOYING SY...

    • Publication number 20220341407
    • Publication date Oct 27, 2022
    • MGI TECH CO., LTD.
    • XIANGKUN SUI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Apparatus and method for moving viscous fluid by suction

    • Publication number 20210180615
    • Publication date Jun 17, 2021
    • Danhydra A/S
    • Thomas Hove
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VENTURI VACUUM DRAWBACK ASSEMBLIES AND DUAL ORIFICE VENTURI VALVE A...

    • Publication number 20200224946
    • Publication date Jul 16, 2020
    • Universal Flow Monitors, Inc.
    • Lars O. Rosaen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM AIR LIFT SYSTEMS INCLUDING A FLUIDIZED BED REACTOR

    • Publication number 20190077679
    • Publication date Mar 14, 2019
    • Searen, LLC
    • Thomas Wood Andrews
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM-ASSISTED-PUMPING SYSTEM AND METHOD

    • Publication number 20180023596
    • Publication date Jan 25, 2018
    • SAMUEL DALE FOX
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A DEVICE, SYSTEM AND METHOD FOR RECIRCULATION OF WATER AND ENERGY G...

    • Publication number 20160265505
    • Publication date Sep 15, 2016
    • BAMYAN TECHNOLOGIES LLC
    • Reza JAHANGIR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid Siphoning System

    • Publication number 20160186784
    • Publication date Jun 30, 2016
    • Daniel Mank
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMATIC DRAINING SYSTEM

    • Publication number 20150118070
    • Publication date Apr 30, 2015
    • FU DING ELECTRONICAL TECHNOLOGY (JIASHAN) CO.,LTD.
    • MING-LU YANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid Pumping System And Method

    • Publication number 20140363312
    • Publication date Dec 11, 2014
    • Fathi M. Allan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sizing Tank with Electro-Mechanical Controlled Water Flows

    • Publication number 20140318647
    • Publication date Oct 30, 2014
    • Richard C. Bell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump with Reduced Number of Moving Parts

    • Publication number 20140166134
    • Publication date Jun 19, 2014
    • Intermolecular, Inc.
    • Peter Satitpunwaycha
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM SYSTEM

    • Publication number 20130180596
    • Publication date Jul 18, 2013
    • EDWARDS LIMITED
    • Graham Thomas Legge
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Sizing Tank with Electro-Mechanical Controlled Water Flows

    • Publication number 20130056102
    • Publication date Mar 7, 2013
    • Richard C. Bell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid Disposal System For Kitchen Safety

    • Publication number 20120298230
    • Publication date Nov 29, 2012
    • Daniel Patrick Jones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Airflow passage structure of manual pump of fluid-pumping apparatus

    • Publication number 20120275944
    • Publication date Nov 1, 2012
    • Chia-Chiung Chuang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid Water Removal Apparatus

    • Publication number 20120207624
    • Publication date Aug 16, 2012
    • Paul Finestone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Steam powered pump

    • Publication number 20120183415
    • Publication date Jul 19, 2012
    • Robert Collins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Bilge pump and method

    • Publication number 20120171051
    • Publication date Jul 5, 2012
    • William L. Wallace
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BALANCING LIQUID PUMPING SYSTEM

    • Publication number 20120114507
    • Publication date May 10, 2012
    • Jean-Marc BOUVIER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air Pressure Producing Apparatus

    • Publication number 20120103446
    • Publication date May 3, 2012
    • Askey Computer Corporation
    • Ming-Hung Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TEST ELEMENT FOR ANALYZING AN ANALYTE PRESENT IN A SAMPLE OF A BODY...

    • Publication number 20110183432
    • Publication date Jul 28, 2011
    • Roche Diagnostics Operations, Inc.
    • Manfred Augstein
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    System And Method For Evacuating A Vacuum Chamber

    • Publication number 20100116348
    • Publication date May 13, 2010
    • Raymond G. Buchko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump

    • Publication number 20090269229
    • Publication date Oct 29, 2009
    • Jui Hwa Yeo
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VACUUM GENERATING UNIT

    • Publication number 20090032125
    • Publication date Feb 5, 2009
    • SMC Kabushiki Kaisha
    • Yoshihiro Fukano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Automatic pressure-relieving apparatus for suction pump

    • Publication number 20080219859
    • Publication date Sep 11, 2008
    • Tien-Tsai Tseng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Piston Pump

    • Publication number 20080175725
    • Publication date Jul 24, 2008
    • STORK FOOD SYSTEMS FRANCE
    • Jacques Le Paih
    • A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
  • Information Patent Application

    Manually operated vacuum pump and refill device

    • Publication number 20080170949
    • Publication date Jul 17, 2008
    • LIH YANN INDUSTRIAL CO., LTD.
    • Po Lin Liao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System And Method For Evacuating A Vacuum Chamber

    • Publication number 20070272310
    • Publication date Nov 29, 2007
    • Raymond G. Buchko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...