TREA

with helical teeth

Follow

Industry

  • CPC
  • F04C18/16
This industry / category may be too specific. Please go to a parent level for more data

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 F04C18/00Rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C18/16with helical teeth
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Air compressor
    • Patent number 11,982,456
    • Issue date May 14, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kenji Morita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable compressor housing
    • Patent number 11,971,035
    • Issue date Apr 30, 2024
    • Tyco Fire & Security GmbH
    • Franklin Aaron Montejo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor body and compressor to supply liquid into working chambe...
    • Patent number 11,965,510
    • Issue date Apr 23, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shigeyuki Yorikane
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable economizer injection position
    • Patent number 11,959,483
    • Issue date Apr 16, 2024
    • TRANE INTERNATIONAL INC.
    • Jay H. Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Direct drive refrigerant screw compressor with refrigerant lubricat...
    • Patent number 11,959,484
    • Issue date Apr 16, 2024
    • Carrier Corporation
    • Yifan Qiu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor and control method therefor
    • Patent number 11,953,006
    • Issue date Apr 9, 2024
    • Tyco Fire & Security GMBH
    • Yu Zhu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Machine for depressurizing or compressing gaseous media
    • Patent number 11,939,978
    • Issue date Mar 26, 2024
    • Bitzer Kuehlmaschinenbau GmbH
    • Marcus Blumhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having a screw rotor whose pitch changes in an axi...
    • Patent number 11,933,300
    • Issue date Mar 19, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shota Tanimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor, monitoring system, and method of monitoring compressor
    • Patent number 11,933,291
    • Issue date Mar 19, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Tomofumi Okubo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Variable capacity screw compressor and method
    • Patent number 11,933,301
    • Issue date Mar 19, 2024
    • TRANE INTERNATIONAL INC.
    • Dennis R. Dorman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Dry pump for gas and set of a plurality of dry pumps for gas
    • Patent number 11,920,592
    • Issue date Mar 5, 2024
    • Ateliers Busch SA
    • Théodore Iltchev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor stop valve and associated system
    • Patent number 11,920,593
    • Issue date Mar 5, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor slide valve and screw compressor with gas pulsatio...
    • Patent number 11,920,594
    • Issue date Mar 5, 2024
    • XI'AN JIAOTONG UNIVERSITY
    • Ziwen Xing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slide valve for a twin-screw compressor
    • Patent number 11,913,453
    • Issue date Feb 27, 2024
    • Johnson Controls Tyco IP Holdings LLP
    • Shengmei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor including spoked gear
    • Patent number 11,913,451
    • Issue date Feb 27, 2024
    • Atlas Copco Airpower, naamloze vennootschap
    • Wim Meeusen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw compressor
    • Patent number 11,913,452
    • Issue date Feb 27, 2024
    • Daikin Industries, Ltd.
    • Takashi Inoue
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump
    • Patent number 11,905,954
    • Issue date Feb 20, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Tatsushi Mori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Direct drive refrigerant screw compressor with refrigerant lubricat...
    • Patent number 11,898,561
    • Issue date Feb 13, 2024
    • Carrier Corporation
    • Yifan Qiu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw rotor processing method and screw rotor lead correction calcu...
    • Patent number 11,890,721
    • Issue date Feb 6, 2024
    • HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    • Toshio Yamanaka
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Refueling screw compressor
    • Patent number 11,879,463
    • Issue date Jan 23, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Tomoyuki Kado
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid-feeding rotary-screw compressor
    • Patent number 11,873,817
    • Issue date Jan 16, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takeshi Tsuchiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressors with variable speed and volume control
    • Patent number 11,852,145
    • Issue date Dec 26, 2023
    • TRANE INTERNATIONAL, INC.
    • Jay H. Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid-injected compressor installation
    • Patent number 11,841,015
    • Issue date Dec 12, 2023
    • Atlas Copco Airpower, naamloze vennootschap
    • Kristof Adrien Laura Martens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio screw compressor
    • Patent number 11,841,020
    • Issue date Dec 12, 2023
    • TRANE INTERNATIONAL INC.
    • Alberto Scala
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor element and machine
    • Patent number 11,828,284
    • Issue date Nov 28, 2023
    • Atlas Copco Airpower, naamloze vennootschap
    • Simon De Bock
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multi-stage resonator for compressor
    • Patent number 11,808,264
    • Issue date Nov 7, 2023
    • Carrier Corporation
    • Ramons A. Reba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device and method for evacuating a chamber and purifying the gas ex...
    • Patent number 11,802,562
    • Issue date Oct 31, 2023
    • Sterling Industry Consult GmbH
    • Heiner Kösters
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Screw compressor
    • Patent number 11,802,563
    • Issue date Oct 31, 2023
    • Mitsubishi Electric Corporation
    • Masahiro Kanda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cantilever vertical screw vacuum pump
    • Patent number 11,802,561
    • Issue date Oct 31, 2023
    • HANGZHOU QIANDAO PUMP CO., LTD.
    • Chengzhong Sun
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Airend having a lubricant flow valve and controller
    • Patent number 11,802,564
    • Issue date Oct 31, 2023
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR DETECTING AND MONITORING CONDENSATE IN AN OIL SYSTEM OF...
    • Publication number 20240151230
    • Publication date May 9, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Jeroen Alois M. FIRLEFIJN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20240141895
    • Publication date May 2, 2024
    • MITSUBISHI ELECTRIC CORPORATION
    • Takao MITSUI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE SCREW COMPRESSOR
    • Publication number 20240141896
    • Publication date May 2, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takeshi TSUCHIYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotor Assembly, Compressor and Air Conditioner
    • Publication number 20240110565
    • Publication date Apr 4, 2024
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIRECT DRIVE REFRIGERANT SCREW COMPRESSOR WITH REFRIGERANT LUBRICAT...
    • Publication number 20240102472
    • Publication date Mar 28, 2024
    • Carrier Corporation
    • Yifan QIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotor Assembly, Compressor and Air Conditioner
    • Publication number 20240084802
    • Publication date Mar 14, 2024
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Jianming Tan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20240068475
    • Publication date Feb 29, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takeshi TSUCHIYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLING ARRANGEMENT AND METHOD FOR COOLING AN AT LEAST TWO-STAGE CO...
    • Publication number 20240068462
    • Publication date Feb 29, 2024
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Frank Georg Klaus
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR WEAR DETECTION IN INTERMESHING RUNNING GEARS
    • Publication number 20240068474
    • Publication date Feb 29, 2024
    • Leybold GmbH
    • Dirk Schiller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW PUMP AND INTEGRATED COOLING MODULE INCLUDING THE SAME
    • Publication number 20240052837
    • Publication date Feb 15, 2024
    • COAVIS
    • Hyuntae LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SINGLE SCREW COMPRESSOR
    • Publication number 20240044332
    • Publication date Feb 8, 2024
    • PARALLOID GEAR CO., LTD.
    • In Hwan Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotor Assembly, Compressor and Air Conditioner
    • Publication number 20240044333
    • Publication date Feb 8, 2024
    • Gree Electric Appliances, Inc, of Zhuhai
    • Zhongkeng Long
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor and Air Conditioner
    • Publication number 20240035471
    • Publication date Feb 1, 2024
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER
    • Publication number 20240011489
    • Publication date Jan 11, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MAGNETICALLY OPERATED FLUID PUMPING APPARATUS
    • Publication number 20230407867
    • Publication date Dec 21, 2023
    • Tristan Thomas Burkitt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor and Screw Rotor
    • Publication number 20230392598
    • Publication date Dec 7, 2023
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takeshi TSUCHIYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LOW COEFFICIENT OF EXPANSION ROTORS FOR BLOWERS
    • Publication number 20230366399
    • Publication date Nov 16, 2023
    • Gardner Denver, Inc.
    • Roger Clive Palmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEMS AND METHODS FOR OPERATION MODES FOR AN AIR COMPRESSOR
    • Publication number 20230366397
    • Publication date Nov 16, 2023
    • CLARK EQUIPMENT COMPANY
    • Jonathan Bishop
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Methods for Judging and Optimizing Comprehensive Performance of Twi...
    • Publication number 20230349383
    • Publication date Nov 2, 2023
    • JIANGNAN UNIVERSITY
    • Xueming HE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH OIL INJECTION AT MULTIPLE VOLUME RATIOS
    • Publication number 20230349384
    • Publication date Nov 2, 2023
    • Ingersoll-Rand Industrial U.S., Inc.
    • Daniel R. Crum
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR HAVING VACUUM AND ASSOCIATED METHODS FOR LOADING AND...
    • Publication number 20230340957
    • Publication date Oct 26, 2023
    • Industrial Vacuum Transfer Services USA, LLC
    • Randall Earl Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20230279857
    • Publication date Sep 7, 2023
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPLEX SCREW ROTORS
    • Publication number 20230272797
    • Publication date Aug 31, 2023
    • Gardner Denver, Inc.
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH MULTI-LAYERED COATING OF THE ROTOR SCREWS
    • Publication number 20230258180
    • Publication date Aug 17, 2023
    • KAESER KOMPRESSOREN SE
    • Andreas Foerster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSED AIR STATION
    • Publication number 20230249125
    • Publication date Aug 10, 2023
    • Phil Andre Schneider
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20230228268
    • Publication date Jul 20, 2023
    • Mehmet Bora KUZUCAN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE CAPACITY SCREW COMPRESSOR AND METHOD
    • Publication number 20230228269
    • Publication date Jul 20, 2023
    • TRANE INTERNATIONAL INC.
    • Dennis R. Dorman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SUPERCHARGER
    • Publication number 20230212976
    • Publication date Jul 6, 2023
    • Eaton Intelligent Power Limited
    • Daniel R. Ouwenga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DAMPING SYSTEM FOR COMPRESSOR
    • Publication number 20230175511
    • Publication date Jun 8, 2023
    • Johnson Controls Tyco IP Holdings LLP
    • Joseph Woodrow Pillis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VOLUME RATIO FOR A R718* COMPRESSOR
    • Publication number 20230167823
    • Publication date Jun 1, 2023
    • R-718 SPINDEL GBR
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...