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  • CPC
  • F04C28/16
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

Current Industry

F04C28/16using lift valves
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Compact variable volume index valve for screw compressor background
    • Patent number 12,221,963
    • Issue date Feb 11, 2025
    • HITACHI GLOBAL AIR POWER US, LLC
    • Jonathan D. Batdorff
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with center hub
    • Patent number 12,188,470
    • Issue date Jan 7, 2025
    • Copeland LP
    • Natalie M. Gehret
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and valve assembly
    • Patent number 11,965,507
    • Issue date Apr 23, 2024
    • Copeland LP
    • Titus Broek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with center hub
    • Patent number 11,846,287
    • Issue date Dec 19, 2023
    • Copeland LP
    • Natalie M. Gehret
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive-displacement compressor having an automatic compression ra...
    • Patent number 11,365,734
    • Issue date Jun 21, 2022
    • Thomas Broglia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having a valve assembly controlling the opening/c...
    • Patent number 11,204,035
    • Issue date Dec 21, 2021
    • LG Electronics Inc.
    • Honggyun Jin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio compressor
    • Patent number 11,022,119
    • Issue date Jun 1, 2021
    • Emerson Climate Technologies, Inc.
    • Michael M. Perevozchikov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor comprising a variable volume index valve
    • Patent number 10,954,943
    • Issue date Mar 23, 2021
    • Carrier Corporation
    • Masao Akei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable-capacity mechanism of scroll compressor and scroll compressor
    • Patent number 10,941,774
    • Issue date Mar 9, 2021
    • Gree Electric Appliances, Inc. of Zhuhai
    • Guobiao Jiang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 10,655,625
    • Issue date May 19, 2020
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Sadayuki Yamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Intermediate discharge port for a compressor
    • Patent number 10,480,513
    • Issue date Nov 19, 2019
    • TRANE INTERNATIONAL INC.
    • Eric S. Mlsna
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compressor
    • Patent number 10,451,064
    • Issue date Oct 22, 2019
    • Samsung Electronics Co., Ltd.
    • Jung-Hoon Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor that includes a non-orbiting scroll having a bypa...
    • Patent number 10,428,819
    • Issue date Oct 1, 2019
    • LG Electronics Inc.
    • Honggyun Jin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio compressor
    • Patent number 10,323,638
    • Issue date Jun 18, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio compressor
    • Patent number 10,323,639
    • Issue date Jun 18, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having capacity modulation system
    • Patent number 10,066,622
    • Issue date Sep 4, 2018
    • Emerson Climate Technologies, Inc.
    • Dennis D. Pax
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Claw pump
    • Patent number 10,006,459
    • Issue date Jun 26, 2018
    • Anest Iwata Corporation
    • Kenichi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio scroll compressor
    • Patent number 9,989,057
    • Issue date Jun 5, 2018
    • Emerson Climate Technologies, Inc.
    • Jason P. Lochner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with a bypass port
    • Patent number 9,850,902
    • Issue date Dec 26, 2017
    • Johnson Controls Technology Company
    • Paul Nemit
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio compressor
    • Patent number 9,790,940
    • Issue date Oct 17, 2017
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with variable volume ratio port in orbiting scroll
    • Patent number 9,777,730
    • Issue date Oct 3, 2017
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compressor with discharge section and sub-discharge section
    • Patent number 9,751,384
    • Issue date Sep 5, 2017
    • Calsonic Kansei Corporation
    • Hirotada Shimaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Gas compressor
    • Patent number 9,695,818
    • Issue date Jul 4, 2017
    • Calsonic Kansei Corporation
    • Masahiro Tsuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with capacity modulation and variable volume ratio
    • Patent number 9,494,157
    • Issue date Nov 15, 2016
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with variable volume ratio port in orbiting scroll
    • Patent number 9,435,340
    • Issue date Sep 6, 2016
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve arrangement for a scroll refrigeration compressor
    • Patent number 9,309,888
    • Issue date Apr 12, 2016
    • Danfoss Commercial Compressors
    • Pierre Ginies
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 9,145,891
    • Issue date Sep 29, 2015
    • LG Electronics Inc.
    • Pilhwan Kim
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compressor with capacity modulation and variable volume ratio
    • Patent number 9,127,677
    • Issue date Sep 8, 2015
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Startup bypass system for a screw compressor
    • Patent number 8,801,395
    • Issue date Aug 12, 2014
    • Gardner Denver, Inc.
    • Timothy Keene Heimonen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having output adjustment assembly
    • Patent number 8,790,098
    • Issue date Jul 29, 2014
    • Emerson Climate Technologies, Inc.
    • Robert C. Stover
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPACT VARIABLE VOLUME INDEX VALVE FOR SCREW COMPRESSOR BACKGROUND
    • Publication number 20240352935
    • Publication date Oct 24, 2024
    • Hitachi Global Air Power US, LLC
    • Jonathan D. BATDORFF
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Compressor With Center Hub
    • Publication number 20240052836
    • Publication date Feb 15, 2024
    • Copeland LP
    • Natalie M. GEHRET
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Positive-displacement compressor having an automatic compression ra...
    • Publication number 20210131434
    • Publication date May 6, 2021
    • SRM Italy S.r.l.
    • Thomas Broglia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20190360489
    • Publication date Nov 28, 2019
    • LG ELECTRONICS INC.
    • Honggyun JIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20190101120
    • Publication date Apr 4, 2019
    • Emerson Climate Technologies, Inc.
    • Michael M. PEREVOZCHIKOV
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERMEDIATE DISCHARGE PORT FOR A COMPRESSOR
    • Publication number 20180245595
    • Publication date Aug 30, 2018
    • Eric S. Mlsna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20180038370
    • Publication date Feb 8, 2018
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20180038369
    • Publication date Feb 8, 2018
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20180030833
    • Publication date Feb 1, 2018
    • CALSONIC KANSEI CORPORATION
    • Toshikatsu MIYAJI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    COMPRESSOR HAVING CAPACITY MODULATION SYSTEM
    • Publication number 20170314558
    • Publication date Nov 2, 2017
    • Emerson Climate Technologies, Inc.
    • Dennis D. PAX
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR COMPRISING A VARIABLE VOLUME INDEX VALVE
    • Publication number 20160319815
    • Publication date Nov 3, 2016
    • Carrier Corporation
    • Masao Akei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH CAPACITY MODULATION AND VARIABLE VOLUME RATIO
    • Publication number 20160025093
    • Publication date Jan 28, 2016
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20140369878
    • Publication date Dec 18, 2014
    • Hirotada Shimaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    COMPRESSOR HAVING OUTPUT ADJUSTMENT ASSEMBLY
    • Publication number 20140356211
    • Publication date Dec 4, 2014
    • Robert C. Stover
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH VARIABLE VOLUME RATIO PORT IN ORBITING SCROLL
    • Publication number 20140154124
    • Publication date Jun 5, 2014
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH CAPACITY MODULATION AND VARIABLE VOLUME RATIO
    • Publication number 20140154121
    • Publication date Jun 5, 2014
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE ARRANGEMENT FOR A SCROLL REFRIGERATION COMPRESSOR
    • Publication number 20130071276
    • Publication date Mar 21, 2013
    • Danfoss Commercial Compressors
    • Pierre Ginies
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20120134866
    • Publication date May 31, 2012
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Noboru Tsuboi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20120009076
    • Publication date Jan 12, 2012
    • Pilhwan KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR HAVING OUTPUT ADJUSTMENT ASSEMBLY
    • Publication number 20110250085
    • Publication date Oct 13, 2011
    • Robert C. Stover
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMATIC VOLUME RATIO VARIATION FOR A ROTARY SCREW COMPRESSOR
    • Publication number 20110038747
    • Publication date Feb 17, 2011
    • Carrier Corporation
    • Stephen L. Shoulders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20100221133
    • Publication date Sep 2, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Yoshihiro Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TEMPERATURE CONTROL THROUGH PULSE WIDTH MODULATION
    • Publication number 20100139301
    • Publication date Jun 10, 2010
    • Thermo King Corporation
    • Lars I. Sjoholm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20100119378
    • Publication date May 13, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Yoshitaka Shibamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STARTUP BYPASS SYSTEM FOR A SCREW COMPRESSOR
    • Publication number 20090308471
    • Publication date Dec 17, 2009
    • Timothy Keene Heimonen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Output Adjustment Assembly Including Piston Actua...
    • Publication number 20090297379
    • Publication date Dec 3, 2009
    • Robert C. Stover
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20090277216
    • Publication date Nov 12, 2009
    • DAIKIN INDUSTRIES, LTD.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SLIDE VALVE ACTUATION FOR OVERPRESSURE SAFETY
    • Publication number 20090246062
    • Publication date Oct 1, 2009
    • Carrier Corporation
    • Steven J. Holden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20090074600
    • Publication date Mar 19, 2009
    • DAIKIN INDUSTRIES, LTD.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL VOLUME-RATIO SCROLL MACHINE
    • Publication number 20070269326
    • Publication date Nov 22, 2007
    • Stephen M. Seibel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...