TREA

Machines or pumps with pistons coacting within one cylinder

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Industry

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  • F04B3/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS

Current Industry

F04B3/00Machines or pumps with pistons coacting within one cylinder

Sub Industries

F04B3/003with two or more pistons reciprocating one within another F04B3/006with rotating cylinder block
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Linear compressor
    • Patent number 12,366,235
    • Issue date Jul 22, 2025
    • LG Electronics Inc.
    • Kiwon Noh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Process for internally cooling an inline compressor
    • Patent number 12,366,237
    • Issue date Jul 22, 2025
    • Wayne A Wolf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 12,366,236
    • Issue date Jul 22, 2025
    • LG Electronics Inc.
    • Chulgi Roh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Perforated structure
    • Patent number 12,361,842
    • Issue date Jul 15, 2025
    • Philip Morris Products S.A.
    • Pierre Herve
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    System for transporting lubricating oil in a compressor
    • Patent number 12,359,657
    • Issue date Jul 15, 2025
    • NIDEC GLOBAL APPLIANCE BRASIL LTDA.
    • Edson Correa Miguel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of controlling an air compressor of a vehicle
    • Patent number 12,359,661
    • Issue date Jul 15, 2025
    • Volvo Truck Corporation
    • Hugo Bebon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor having a first rotor core containing magnets and a second rot...
    • Patent number 12,362,613
    • Issue date Jul 15, 2025
    • LG Electronics Inc.
    • Chisung Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing device for a piston rod of a reciprocating compressor
    • Patent number 12,359,723
    • Issue date Jul 15, 2025
    • Hoerbiger Wien GmbH
    • Martin Lagler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor with intake muffler coupling arrangement
    • Patent number 12,352,255
    • Issue date Jul 8, 2025
    • LG Electronics Inc.
    • Sangjin Song
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor discharge valves
    • Patent number 12,352,262
    • Issue date Jul 8, 2025
    • Victrex Manufacturing Limited
    • Andrew Anderson
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Fluid end with clamped retention
    • Patent number 12,352,356
    • Issue date Jul 8, 2025
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Miniature vacuum pump and miniature vacuum device
    • Patent number 12,352,261
    • Issue date Jul 8, 2025
    • Baifeng Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Enclosed air compressor structure featuring remote filtering
    • Patent number 12,352,256
    • Issue date Jul 8, 2025
    • DONGGUAN HESHENG MACHINERY & ELECTRIC CO., LTD.
    • Chi-Wen Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air compressor cylinder liner
    • Patent number 12,352,264
    • Issue date Jul 8, 2025
    • Orbital Australia Pty Ltd
    • John Howard Tubb
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Packing assembly with threaded sleeve for interaction with an insta...
    • Patent number 12,345,253
    • Issue date Jul 1, 2025
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Chance Ray Mullins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-locking plug
    • Patent number 12,345,332
    • Issue date Jul 1, 2025
    • VULCAN INDUSTRIAL HOLDINGS, LLC
    • Kyle Matthew Ellisor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vibrationally isolated cryogenic shield for local high-quality vacuum
    • Patent number 12,345,247
    • Issue date Jul 1, 2025
    • IONQ, INC.
    • Jason Madjdi Amini
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Bearing structure, compressor, and refrigeration cycle apparatus wi...
    • Patent number 12,338,825
    • Issue date Jun 24, 2025
    • Mitsubishi Electric Corporation
    • Yoshifumi Yamaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel cell fluid machine
    • Patent number 12,338,750
    • Issue date Jun 24, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Ryo Umeyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Water cooling device with a shock-absorbing structure
    • Patent number 12,342,501
    • Issue date Jun 24, 2025
    • Dongguan Yichen Intelligent Electronics Co., Ltd.
    • Pan Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    In-vehicle inflator
    • Patent number 12,338,808
    • Issue date Jun 24, 2025
    • Tao Huang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Substrate processing apparatus and recording medium
    • Patent number 12,341,000
    • Issue date Jun 24, 2025
    • Kokusai Electric Corporation
    • Masanori Okuno
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pump noise attenuator and method thereof
    • Patent number 12,338,812
    • Issue date Jun 24, 2025
    • LEGGETT & PLATT CANADA CO.
    • Horia Blendea
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor
    • Patent number 12,338,807
    • Issue date Jun 24, 2025
    • LG Electronics Inc.
    • Younghwan Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm compressor with an oblong shaped chamber
    • Patent number 12,338,809
    • Issue date Jun 24, 2025
    • NEL HYDROGEN A/S
    • Joshua Andrew Adams
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Liquid cooled plunger system
    • Patent number 12,338,813
    • Issue date Jun 24, 2025
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Easy-to-assemble floor pump
    • Patent number 12,338,806
    • Issue date Jun 24, 2025
    • Beto Engineering and Marketing Co., Ltd.
    • Lopin Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and compressor unit
    • Patent number 12,338,921
    • Issue date Jun 24, 2025
    • Daikin Industries, Ltd.
    • Shoujirou Naka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compression apparatus for hydrogen-containing gas utilizing an anod...
    • Patent number 12,331,416
    • Issue date Jun 17, 2025
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Osamu Sakai
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Pump assembly
    • Patent number 12,329,718
    • Issue date Jun 17, 2025
    • RAPID REBOOT RECOVERY PRODUCTS LLC
    • David K. Johnson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR COMPRESSOR STRUCTURE
    • Publication number 20250237207
    • Publication date Jul 24, 2025
    • UNIK WORLD INDUSTRIAL CO., LTD.
    • Wen San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR STRUCTURE
    • Publication number 20250237206
    • Publication date Jul 24, 2025
    • UNIK WORLD INDUSTRIAL CO., LTD.
    • Wen San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID COMPRESSION APPARATUS AND METHOD
    • Publication number 20250237201
    • Publication date Jul 24, 2025
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • Youssef ABDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE ACTING TWO STAGE PISTON TYPE PUMP
    • Publication number 20250237203
    • Publication date Jul 24, 2025
    • ZF CV Systems Europe BV
    • Simon Warner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-LOCKING PLUG
    • Publication number 20250237308
    • Publication date Jul 24, 2025
    • Vulcan Industrial Holdings, LLC
    • Kyle Matthew Ellisor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID COMPRESSION APPARATUS AND METHOD
    • Publication number 20250237205
    • Publication date Jul 24, 2025
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • Youssef ABDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEMS AND METHODS FOR IMPROVING THE PERFORMANCE OF A GAS-DRIVEN G...
    • Publication number 20250237219
    • Publication date Jul 24, 2025
    • Mark J. Maynard
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ELECTRONIC VAPORISER SYSTEM
    • Publication number 20250234920
    • Publication date Jul 24, 2025
    • AYR LTD.
    • Ian MURISON
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    Portable Air Compressor
    • Publication number 20250237204
    • Publication date Jul 24, 2025
    • The NOCO Company
    • Matthew Michael BOSWAY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR STRUCTURE
    • Publication number 20250237208
    • Publication date Jul 24, 2025
    • UNIK WORLD INDUSTRIAL CO., LTD.
    • Wen San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALED COMPRESSOR
    • Publication number 20250237209
    • Publication date Jul 24, 2025
    • FUJITSU GENERAL LIMITED
    • Shoji KAWAZOE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR, AND VEHICLE COMPRESSED AIR SYSTEM WITH A COMPRESSOR OF...
    • Publication number 20250230806
    • Publication date Jul 17, 2025
    • KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH
    • Thomas KIPP
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INFLATION APPARATUS
    • Publication number 20250230804
    • Publication date Jul 17, 2025
    • HAINAN ZEBIN TECHNOLOGY TRADING CO., LTD.
    • Shijie LI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR REGENERATING CRYOPUMP
    • Publication number 20250230805
    • Publication date Jul 17, 2025
    • CRYO H&I, INC
    • Ki Chul CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END
    • Publication number 20250230811
    • Publication date Jul 17, 2025
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Inflator with Upper Cover Showing Pressure Value
    • Publication number 20250223953
    • Publication date Jul 10, 2025
    • BETO ENGINEERING AND MARKETING CO., LTD
    • Lopin WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERATOR AND CRYOPUMP
    • Publication number 20250223954
    • Publication date Jul 10, 2025
    • ULVAC CRYOGENICS INCORPORATED
    • Yoshinobu MURAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSION MODULE FOR VEHICLE
    • Publication number 20250222747
    • Publication date Jul 10, 2025
    • KIA CORPORATION
    • Ji Wan Son
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DAMPENING ELEMENT FOR FLUID MANAGEMENT SYSTEM
    • Publication number 20250213774
    • Publication date Jul 3, 2025
    • Boston Scientific Scimed, Inc.
    • MICHAEL S. H. CHU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR
    • Publication number 20250215867
    • Publication date Jul 3, 2025
    • LG ELECTRONICS INC.
    • Youngboo SON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INVERTER-INTEGRATED ELECTRIC COMPRESSOR
    • Publication number 20250215869
    • Publication date Jul 3, 2025
    • Sanden Corporation
    • Toshimasa SHIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTEGRATED COMPRESSORS, AND SYSTEMS AND VEHICLES COMPRISING INTEGRA...
    • Publication number 20250214395
    • Publication date Jul 3, 2025
    • Volvo Car Corporation
    • Hongjun Fan
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DEVICE FOR COMPRESSING A GAS AND METHOD OF ASSEMBLING SUCH DEVICE
    • Publication number 20250215870
    • Publication date Jul 3, 2025
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Glenn VAN CLEEMPOEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid Processing System with High Pressure Pneumatic Syringe Pump
    • Publication number 20250214079
    • Publication date Jul 3, 2025
    • Fenwal, Inc.
    • James Gregory Madsen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    A COMPRESSOR ASSEMBLY
    • Publication number 20250207572
    • Publication date Jun 26, 2025
    • GEA Refrigeration Netherlands N.V.
    • Joseph Johannes Adrianus Maria VAN DEN OETELAAR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID...
    • Publication number 20250207574
    • Publication date Jun 26, 2025
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP
    • Publication number 20250207575
    • Publication date Jun 26, 2025
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRYOPUMP SYSTEM
    • Publication number 20250207573
    • Publication date Jun 26, 2025
    • CRYO H&I, INC
    • Kwang Jin OH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICATION SYSTEM FOR PUMP DRIVE
    • Publication number 20250198401
    • Publication date Jun 19, 2025
    • Haskel International, LLC
    • Richard Gillberg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP COMPRISING A PRESSURE CHAMBER AND A COOLING SYSTEM
    • Publication number 20250198402
    • Publication date Jun 19, 2025
    • KNF Neuberger GmbH
    • Martin DIMITROV
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...