TREA

having two cylinders

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  • CPC
  • F04B1/02
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B1/00Multi-cylinder machines or pumps characterised by number or arrangements of cylinders

Current Industry

F04B1/02having two cylinders
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Heated lubricant pump
    • Patent number 12,215,823
    • Issue date Feb 4, 2025
    • Graco Minnesota Inc.
    • Xiaochuang Song
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power system
    • Patent number 12,203,460
    • Issue date Jan 21, 2025
    • FOREFRONT ENERGY LTD.
    • Daniel Simmons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pressure amplifier
    • Patent number 12,196,201
    • Issue date Jan 14, 2025
    • Poclain Hydraulics Industrie
    • Andre Prigent
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Portable airless sprayer
    • Patent number 12,145,169
    • Issue date Nov 19, 2024
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Induced flow double disc pump assembly having rotating element
    • Patent number 12,078,155
    • Issue date Sep 3, 2024
    • WASTECORP PUMPS INC.
    • Marc Johnson Soja
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus for conveying thick matter
    • Patent number 11,959,468
    • Issue date Apr 16, 2024
    • Putzmeister Engineering GmbH
    • Wolf-Michael Petzold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid feeder
    • Patent number 11,946,491
    • Issue date Apr 2, 2024
    • Nidec Corporation
    • Toshihiko Tokeshi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston pump and method for operating a piston pump
    • Patent number 11,891,987
    • Issue date Feb 6, 2024
    • Schwing GmbH
    • Andreas Lehmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Precision, constant-flow reciprocating pump
    • Patent number 11,867,162
    • Issue date Jan 9, 2024
    • SWISSINNOV PRODUCT SARL
    • Florent Junod
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid feed pump and liquid chromatography device
    • Patent number 11,859,600
    • Issue date Jan 2, 2024
    • HITACHI HIGH-TECH CORPORATION
    • Nobuhiro Tsukada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid transfer and depressurization system
    • Patent number 11,859,612
    • Issue date Jan 2, 2024
    • TPE Midstream, LLC
    • Douglas A. Sahm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for operating a piston compressor, and piston compressor
    • Patent number 11,828,281
    • Issue date Nov 28, 2023
    • Linde GMBH
    • Sascha Dorner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump installation member
    • Patent number 11,795,939
    • Issue date Oct 24, 2023
    • Nitto Kohki Co., Ltd.
    • Kazumasa Kaiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable airless sprayer
    • Patent number 11,779,945
    • Issue date Oct 10, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Portable airless sprayer
    • Patent number 11,759,808
    • Issue date Sep 19, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Micro piston pump
    • Patent number 11,746,765
    • Issue date Sep 5, 2023
    • INSULET CORPORATION
    • Daniel Allis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ultra-long stroke multi-cylinder reciprocating pump
    • Patent number 11,655,805
    • Issue date May 23, 2023
    • SOUTHWEST PETROLEUM UNIVERSITY
    • Yongjun Hou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable airless sprayer
    • Patent number 11,623,234
    • Issue date Apr 11, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable airless sprayer
    • Patent number 11,446,689
    • Issue date Sep 20, 2022
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Portable airless sprayer
    • Patent number 11,446,690
    • Issue date Sep 20, 2022
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Portable hydraulic power unit
    • Patent number 11,441,551
    • Issue date Sep 13, 2022
    • Graco Minnesota Inc.
    • Charles W. Dawson
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Liquid delivery device
    • Patent number 11,434,897
    • Issue date Sep 6, 2022
    • Shimadzu Corporation
    • Jun Yanagibayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston-valve engagement in fluid sprayers
    • Patent number 11,371,492
    • Issue date Jun 28, 2022
    • Graco Minnesota Inc.
    • Mariusz J. Luczak
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Micro piston pump
    • Patent number 11,280,327
    • Issue date Mar 22, 2022
    • INSULET CORPORATION
    • Daniel Allis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for controlling a fuel pump for a motor vehicle
    • Patent number 11,280,290
    • Issue date Mar 22, 2022
    • Continental Automotive France
    • Jérémie Memain
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compressor for pressurized fluid output
    • Patent number 11,187,220
    • Issue date Nov 30, 2021
    • Stuart H. Bassine
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable hydraulic power unit having a pump fixed to an exterior si...
    • Patent number 11,162,482
    • Issue date Nov 2, 2021
    • Graco Minnesota Inc.
    • Charles W. Dawson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid transfer and depressurization system
    • Patent number 11,111,907
    • Issue date Sep 7, 2021
    • TPE MIDSTREAM LLC
    • Douglas A Sahm
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Viscous material pump with adjustable limitation of the delivery pr...
    • Patent number 11,092,143
    • Issue date Aug 17, 2021
    • Schwing GmbH
    • Andreas Lehmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive-displacement pump and pumping group for fluid products and...
    • Patent number 11,053,930
    • Issue date Jul 6, 2021
    • ALFA S. R. L.
    • Edoardo Rossetti
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PORTABLE AIRLESS SPRAYER
    • Publication number 20240424509
    • Publication date Dec 26, 2024
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    A PUMP WITH RACKS AND PINION
    • Publication number 20240360827
    • Publication date Oct 31, 2024
    • Stimline AS
    • Mads BJØRNENAK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR CYLINDER HEAD AND AIR COMPRESSOR
    • Publication number 20240287947
    • Publication date Aug 29, 2024
    • ZF Commercial Vehicle Systems (Qingdao) Co., Ltd
    • Xiucheng HAO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PUMPING SYSTEM FOR THERMOCHEMICAL BIOMASS CONVERTERS
    • Publication number 20240167489
    • Publication date May 23, 2024
    • Circlia Nordic ApS
    • Ib Johannsen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    POWER SYSTEM
    • Publication number 20240141882
    • Publication date May 2, 2024
    • FOREFRONT ENERGY LTD.
    • Daniel Simmons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID TRANSFER AND DEPRESSURIZATION SYSTEM
    • Publication number 20240125311
    • Publication date Apr 18, 2024
    • TPE MIDSTREAM LLC
    • Douglas A. Sahm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMMON PLUNGER FOR A LINEAR ACTUATED PUMP
    • Publication number 20240011473
    • Publication date Jan 11, 2024
    • SPM OIL & GAS INC.
    • Wesley P. CLARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MICRO PISTON PUMP
    • Publication number 20230358219
    • Publication date Nov 9, 2023
    • Insulet Corporation
    • Daniel ALLIS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TRUCK-MOUNTED CONCRETE PUMP
    • Publication number 20230295936
    • Publication date Sep 21, 2023
    • SCHWING GMBH
    • Andreas Lehmann
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PORTABLE AIRLESS SPRAYER
    • Publication number 20230271205
    • Publication date Aug 31, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    PORTABLE AIRLESS SPRAYER
    • Publication number 20230271204
    • Publication date Aug 31, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    PORTABLE AIRLESS SPRAYER
    • Publication number 20230219107
    • Publication date Jul 13, 2023
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    DUAL-PISTON FLUID PUMP
    • Publication number 20230213030
    • Publication date Jul 6, 2023
    • Acist Medical Systems, Inc.
    • Yun Zhou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORTABLE AIRLESS SPRAYER
    • Publication number 20220266280
    • Publication date Aug 25, 2022
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    PORTABLE AIRLESS SPRAYER
    • Publication number 20220266279
    • Publication date Aug 25, 2022
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Printing Method and Printing System
    • Publication number 20220193946
    • Publication date Jun 23, 2022
    • Putzmeister Engineering GmbH
    • Jens HAEFNER
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    MICRO PISTON PUMP
    • Publication number 20220163024
    • Publication date May 26, 2022
    • Insulet Corporation
    • Daniel ALLIS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON PUMP AND METHOD FOR OPERATING A PISTON PUMP
    • Publication number 20220025874
    • Publication date Jan 27, 2022
    • SCHWING GMBH
    • Andreas Lehmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid Transfer and Depressurization System
    • Publication number 20210355924
    • Publication date Nov 18, 2021
    • TPE MIDSTREAM LLC
    • Douglas A. Sahm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE-DISPLACEMENT PUMP AND PUMPING GROUP FOR FLUID PRODUCTS AND...
    • Publication number 20210310467
    • Publication date Oct 7, 2021
    • Edoardo ROSSETTI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PRECISION, CONSTANT-FLOW RECIPROCATING PUMP
    • Publication number 20210293226
    • Publication date Sep 23, 2021
    • SWISSINNOV PRODUCT SARL
    • Florent JUNOD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORTABLE AIRLESS SPRAYER
    • Publication number 20210162439
    • Publication date Jun 3, 2021
    • Graco Minnesota Inc.
    • David J. Thompson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    AUTO-REVERSING DRIVESHAFT SYSTEM AND METHOD
    • Publication number 20210156370
    • Publication date May 27, 2021
    • Francis Wayne Priddy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INLINE PISTON PUMP
    • Publication number 20210088043
    • Publication date Mar 25, 2021
    • Liebherr Machines Bulle SA
    • Lennard GEISSLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ULTRA-LONG STROKE MULTI-CYLINDER RECIPROCATING PUMP
    • Publication number 20210079901
    • Publication date Mar 18, 2021
    • SOUTHWEST PETROLEUM UNIVERSITY
    • Yongjun HOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC PRESSURE AMPLIFIER
    • Publication number 20200332781
    • Publication date Oct 22, 2020
    • POCLAIN HYDRAULICS INDUSTRIE
    • Andre PRIGENT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Jet Fuel Thermal Oxidation Test Equipment
    • Publication number 20200292433
    • Publication date Sep 17, 2020
    • AD Systems S.A.S.
    • Martial Lépinay
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    FLUID PUMPS AND RELATED SYSTEMS AND METHODS
    • Publication number 20190383279
    • Publication date Dec 19, 2019
    • WHITE KNIGHT FLUID HANDLING INC.
    • Tom Simmons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON-VALVE ENGAGEMENT IN FLUID SPRAYERS
    • Publication number 20190368476
    • Publication date Dec 5, 2019
    • Graco Minnesota Inc.
    • Mariusz J. Luczak
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INJECTION PUMP
    • Publication number 20190353147
    • Publication date Nov 21, 2019
    • Sirius Instrumentation and Controls Inc.
    • Colin Bussiere
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...