Free-piston pumps Systems incorporating such pumps

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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical refrigeration system

    • Patent number 11,913,688
    • Issue date Feb 27, 2024
    • OFF TECHNOLOGIES STP, S.L.
    • Luis Zuniga Mangas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Free piston linear motor compressor and associated systems of opera...

    • Patent number 11,466,678
    • Issue date Oct 11, 2022
    • Gas Technology Institute
    • Jason Stair
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Suction pumps

    • Patent number 10,962,027
    • Issue date Mar 30, 2021
    • THERMOFLUIDICS LTD.
    • Thomas C. B. Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Plunger lift assembly with an improved free piston assembly

    • Patent number 10,830,228
    • Issue date Nov 10, 2020
    • Endurance Lift Solutions, LLC
    • Jeffrey Brian Zimmerman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ultrahigh-pressure homogenizing integrated device and cell disruptor

    • Patent number 10,683,481
    • Issue date Jun 16, 2020
    • Guangzhou Juneng Nano & Bio Technology Co., Ltd
    • XingWen Yu
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Durable dart plunger

    • Patent number 10,626,708
    • Issue date Apr 21, 2020
    • Endurance Lift Solutions, Inc.
    • Jason N. Cedillo
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Homogenized and integrated device with coaxial line and double-high...

    • Patent number 10,584,308
    • Issue date Mar 10, 2020
    • Guangzhou Juneng Nano&Bio Technology Co., Ltd
    • XingWen Yu
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Free piston device

    • Patent number 10,472,995
    • Issue date Nov 12, 2019
    • Universiteit Gent
    • Sergei Gusev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Free piston linear motor compressor and associated systems of opera...

    • Patent number 10,323,628
    • Issue date Jun 18, 2019
    • Gas Technology Institute
    • Jason Stair
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Split-chamber rotary engine improvements

    • Patent number 10,294,792
    • Issue date May 21, 2019
    • Egidio Lucas de Oliveira
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Thermal-operated pump

    • Patent number 10,215,165
    • Issue date Feb 26, 2019
    • International Truck Intellectual Property Company, LLC
    • Mark Paul Lill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Plunger lift assembly with an improved free piston assembly

    • Patent number 10,202,972
    • Issue date Feb 12, 2019
    • SUPERIOR ENERGY SERVICES, L.L.C.
    • Jeffrey Brian Zimmerman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Durable dart plunger

    • Patent number 10,006,274
    • Issue date Jun 26, 2018
    • SUPERIOR ENERGY SERVICES, L.L.C.
    • Jason N. Cedillo
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Plunger lift assembly with an improved free piston assembly

    • Patent number 9,976,548
    • Issue date May 22, 2018
    • SUPERIOR ENERGY SERVICES, L.L.C.
    • Jeffrey Brian Zimmerman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Double acting refrigeration compressor

    • Patent number 9,777,717
    • Issue date Oct 3, 2017
    • Inficon GmbH
    • Werner Schmidt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cylinder

    • Patent number 9,732,740
    • Issue date Aug 15, 2017
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Yu-Ching Liu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Multipurpose gravity air compressor

    • Patent number 8,920,135
    • Issue date Dec 30, 2014
    • Dennis Eugene Daily
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combined piston-expander compressor

    • Patent number 8,220,381
    • Issue date Jul 17, 2012
    • Technische Universitát Dresden
    • Jörg Nickl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and apparatus for compressing a gas to a high pressure

    • Patent number 7,527,482
    • Issue date May 5, 2009
    • Westport Power Inc.
    • Mihai Ursan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dynamic system for refrigeration equipment

    • Patent number 7,392,737
    • Issue date Jul 1, 2008
    • Aurélio Mayorca
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for circulating sealing gas for mechanical dry seals of a ce...

    • Patent number 6,931,983
    • Issue date Aug 23, 2005
    • Nuovo Pignone Holding S.p.A
    • Stefano Meucci
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel/hydraulic engine system

    • Patent number 6,551,076
    • Issue date Apr 22, 2003
    • Jim L. Boulware
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure gas compressor

    • Patent number 5,807,083
    • Issue date Sep 15, 1998
    • Constantin Tomoiu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compressor

    • Patent number 5,771,693
    • Issue date Jun 30, 1998
    • National Power PLC
    • Michael Coney
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vehicle wheel including self-inflating tire pump

    • Patent number 5,558,730
    • Issue date Sep 24, 1996
    • Hughes Aircraft Company
    • Ross D. Olney
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Cooled spool piston compressor

    • Patent number 5,238,372
    • Issue date Aug 24, 1993
    • The United States of America as represented by the administrator of the Natio...
    • Brian G. Morris
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Centrifugal-reciprocating compressor

    • Patent number 4,449,894
    • Issue date May 22, 1984
    • The United States of America as represented by the administrator of the Natio...
    • Walter H. Higa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Free piston inertia compressor

    • Patent number 4,307,997
    • Issue date Dec 29, 1981
    • The United States of America as represented by the United States Department o...
    • William D. C. Richards
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pneumatic installations

    • Patent number 4,212,597
    • Issue date Jul 15, 1980
    • Salvador Gali Mallofre
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid power supply system

    • Patent number 4,205,638
    • Issue date Jun 3, 1980
    • Giovanni Vlacancinch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Mechanical Refrigeration System

    • Publication number 20210293458
    • Publication date Sep 23, 2021
    • Off Technologies stp, S.L.
    • Luis ZUNIGA MANGAS
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    DEVICE AND METHOD FOR COMPRESSING A LOW-PRESSURE GAS

    • Publication number 20210207591
    • Publication date Jul 8, 2021
    • ENGIE
    • Hicham GUEDACHA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PLUNGER LIST ASSEMBLY WITH AN IMPROVED FREE PISTON ASSEMBLY

    • Publication number 20200200164
    • Publication date Jun 25, 2020
    • Endurance Lift Solutions, LLC
    • Jeffrey Brian Zimmerman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PLUNGER LIFT ASSEMBLY WITH AN IMPROVED FREE PISTON ASSEMBLY

    • Publication number 20190136849
    • Publication date May 9, 2019
    • SUPERIOR ENERGY SERVICES, L.L.C.
    • Jeffrey Brian Zimmerman
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SPLIT-CHAMBER ROTARY ENGINE IMPROVEMENTS

    • Publication number 20180298757
    • Publication date Oct 18, 2018
    • Egidio Lucas de Oliveira
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DURABLE DART PLUNGER

    • Publication number 20180266220
    • Publication date Sep 20, 2018
    • SUPERIOR ENERGY SERVICES, L.L.C.
    • Jason N. CEDILLO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PLUNGER LIFT ASSEMBLY WITH AN IMPROVED FREE PISTON ASSEMBLY

    • Publication number 20180238321
    • Publication date Aug 23, 2018
    • SUPERIOR ENERGY SERVICES, L.L.C.
    • Jeffrey Brian Zimmerman
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FREE PISTON DEVICE

    • Publication number 20180179918
    • Publication date Jun 28, 2018
    • Universiteit Gent
    • Sergei GUSEV
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    FREE PISTON LINEAR MOTOR COMPRESSOR AND ASSOCIATED SYSTEMS OF OPERA...

    • Publication number 20180051690
    • Publication date Feb 22, 2018
    • GAS TECHNOLOGY INSTITUTE
    • Jason STAIR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FREE PISTON LINEAR MOTOR COMPRESSOR AND ASSOCIATED SYSTEMS OF OPERA...

    • Publication number 20150125323
    • Publication date May 7, 2015
    • Gas Research Institute
    • Jason STAIR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multipurpose Gravity Air Compressor

    • Publication number 20140271240
    • Publication date Sep 18, 2014
    • Dennis Eugene Daily
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE ACTING REFRIGERATION COMPRESSOR

    • Publication number 20130287611
    • Publication date Oct 31, 2013
    • Inficon gmbH
    • Werner Schmidt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMBINED PISTON-EXPANDER COMPRESSOR

    • Publication number 20090126562
    • Publication date May 21, 2009
    • Jorg Nickl
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Dynamic system for refrigeration equipment

    • Publication number 20070022759
    • Publication date Feb 1, 2007
    • Aurélio Mayorca
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Hydraulic piston engine

    • Publication number 20060144221
    • Publication date Jul 6, 2006
    • Yoshioki Tomoyasu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Simplified piston slidable in a cylinder

    • Publication number 20060067842
    • Publication date Mar 30, 2006
    • Stefano Meucci
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method and apparatus for compressing a gas to a high pressure

    • Publication number 20050180864
    • Publication date Aug 18, 2005
    • Mihai Ursan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Singlestage and multistage electromagnetic revolutionary piston pump

    • Publication number 20050169777
    • Publication date Aug 4, 2005
    • Der-Young Shen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Device for circulating sealing gas for mechanical dry seals of a ce...

    • Publication number 20050100454
    • Publication date May 12, 2005
    • NUOVO PIGNONE HOLDING SPA
    • Stefano Meucci
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Simplified piston slidable in a cylinder

    • Publication number 20040096344
    • Publication date May 20, 2004
    • NUOVO PIGNONE HOLDING SPA
    • Stefano Meucci
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel/hydraulic engine system

    • Publication number 20020076339
    • Publication date Jun 20, 2002
    • Jim L. Boulware
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...