TREA

Sound attenuation

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  • F04D29/663
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D29/00Details, component parts, or accessories

Current Industry

F04D29/663Sound attenuation
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Systems and methods associated with sound dampening in blowers
    • Patent number 12,366,256
    • Issue date Jul 22, 2025
    • Milwaukee Electric Tool Corporation
    • Benjamin J. Owen-Block
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control device, vehicle, control method, and computer readable memo...
    • Patent number 12,352,289
    • Issue date Jul 8, 2025
    • Toyota Jidosha Kabushiki Kaisha
    • Junichiro Tamao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbofan engine having angled inlet pre-swirl vanes
    • Patent number 12,338,837
    • Issue date Jun 24, 2025
    • General Electric Company
    • Arthur William Sibbach
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fan having damping and sealing elements between various housing parts
    • Patent number 12,296,093
    • Issue date May 13, 2025
    • Drägerwerk AG & Co. KGaA
    • René-Christian Caspary
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Acoustic dampers for life support systems
    • Patent number 12,281,659
    • Issue date Apr 22, 2025
    • Hamilton Sundstrand Corporation
    • Julian Winkler
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Blower and indoor unit
    • Patent number 12,270,403
    • Issue date Apr 8, 2025
    • Fujitsu General Limited
    • Hirotaka Sawada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan with improved heat dissipation performance and low noise and el...
    • Patent number 12,228,148
    • Issue date Feb 18, 2025
    • Champ Tech Optical (Foshan) Corporation
    • Jing-Shu Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shaped decoupling means of two coaxial rings in a motor, and suppor...
    • Patent number 12,224,645
    • Issue date Feb 11, 2025
    • Valeo Systemes Thermiques
    • Clara Degorce-Dumas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan shroud assembly
    • Patent number 12,221,979
    • Issue date Feb 11, 2025
    • HANON SYSTEMS
    • Cheolun Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan frame with noise muffling structure
    • Patent number 12,180,978
    • Issue date Dec 31, 2024
    • Asia Vital Components Co., Ltd.
    • Hua Lai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low noise turbine for geared turbofan engine
    • Patent number 12,123,432
    • Issue date Oct 22, 2024
    • RTX Corporation
    • Bruce L. Morin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Compressor
    • Patent number 12,031,552
    • Issue date Jul 9, 2024
    • WUXI CUMMINS TURBO TECHNOLOGIES COMPANY LTD.
    • Wentao Zhao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low-profile blowers and methods
    • Patent number 12,025,151
    • Issue date Jul 2, 2024
    • Gentherm Incorporated
    • John D. Lofy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Acoustic cutoff based noise reduction device for heat dissipation f...
    • Patent number 12,018,700
    • Issue date Jun 25, 2024
    • Shanghai Jiao Tong University
    • Zonghan Sun
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combination structure of fan guard and static blades
    • Patent number 12,006,950
    • Issue date Jun 11, 2024
    • Delta Electronics, Inc.
    • Shun-Chen Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shroud for an air moving device
    • Patent number 12,000,410
    • Issue date Jun 4, 2024
    • Toyota Motor Engineering & Manufacturing North America, Inc.
    • Taehwa Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modal noise reduction for gas turbine engine
    • Patent number 11,971,052
    • Issue date Apr 30, 2024
    • RTX Corporation
    • David A. Topol
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fan and fan blades
    • Patent number 11,965,521
    • Issue date Apr 23, 2024
    • EBM-Papst Mulfingen GmbH & Co. KG
    • Marc Schneider
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Heat dissipation fan and electronic device
    • Patent number 11,946,489
    • Issue date Apr 2, 2024
    • Lenovo (Beijing) Limited
    • Ziran Li
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Motor-driven compressor, housing structure for motor-driven compres...
    • Patent number 11,933,319
    • Issue date Mar 19, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Noritaka Nishimori
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Compressor
    • Patent number 11,927,199
    • Issue date Mar 12, 2024
    • Mitsubishi Heavy Industries Compressor Corporation
    • Akihiro Nakaniwa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor configured to compress a process gas and dampen pu...
    • Patent number 11,920,596
    • Issue date Mar 5, 2024
    • MAN Energy Solutions SE
    • Ralf Gödde
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan assembly
    • Patent number 11,905,973
    • Issue date Feb 20, 2024
    • MICRO-STAR INT'L CO., LTD.
    • Yi Wen Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air-blowing device and fluid control apparatus
    • Patent number 11,904,092
    • Issue date Feb 20, 2024
    • Murata Manufacturing Co., Ltd.
    • Hiroaki Wada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blower for breathing apparatus
    • Patent number 11,873,838
    • Issue date Jan 16, 2024
    • Fisher & Paykel Healthcare Limited
    • Johannes Nicolaas Bothma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blowers having noise reduction features
    • Patent number 11,841,023
    • Issue date Dec 12, 2023
    • TECHTRONIC CORDLESS GP
    • Ronald J. Hoffman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan frame turbulence structure
    • Patent number 11,835,065
    • Issue date Dec 5, 2023
    • Asia Vital Components (China) Co., Ltd.
    • Hua Lai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blower and outdoor unit of air conditioner comprising same
    • Patent number RE49709
    • Issue date Oct 24, 2023
    • Samsung Electronics Co., Ltd.
    • Suguru Nakagawa
  • Information Patent Grant

    Quiet blower apparatus and system and method for reducing blower noise
    • Patent number 11,788,548
    • Issue date Oct 17, 2023
    • ResMed Pty Ltd
    • Robert Henry Frater
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modal noise reduction for gas turbine engine
    • Patent number 11,754,094
    • Issue date Sep 12, 2023
    • RTX Corporation
    • David A. Topol
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Cartridge for Inlet Seal and Liner
    • Publication number 20250207504
    • Publication date Jun 26, 2025
    • Whisper Aero Inc.
    • Matthew Alan Dempsey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR FOR DELIVERING AN AIR AND/OR GAS STREAM
    • Publication number 20250195804
    • Publication date Jun 19, 2025
    • Dragerwerk AG & Co. KGaA
    • René-Christian CASPARY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL BLOWER
    • Publication number 20250198416
    • Publication date Jun 19, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Masahito HIGASHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPPORT FOR A MOTOR AND HEATING, VENTILATION AND/OR AIR-CONDITIONIN...
    • Publication number 20250183754
    • Publication date Jun 5, 2025
    • VALEO SYSTEMES THERMIQUES
    • Clara Degorce-Dumas
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AXIAL FLOW BLOWER
    • Publication number 20250146494
    • Publication date May 8, 2025
    • Greenworks (Jiangsu) Co., Ltd.
    • Yabin Tang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Programmable Air Supply System with Liquid Cooling and Noise Suppre...
    • Publication number 20250121387
    • Publication date Apr 17, 2025
    • GloryMakeup Inc.
    • Pao-Tang Wang
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    PORTABLE FAN
    • Publication number 20250035122
    • Publication date Jan 30, 2025
    • Shenzhen Jisu Technology Co.,Ltd
    • Guanzheng ZHENG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUCT UNIT AND IMAGE FORMING APPARATUS
    • Publication number 20250036076
    • Publication date Jan 30, 2025
    • Canon Kabushiki Kaisha
    • CHIHARU KAGEYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LOW NOISE TURBINE FOR GEARED TURBOFAN ENGINE
    • Publication number 20250003426
    • Publication date Jan 2, 2025
    • RTX Corporation
    • Bruce L. Morin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    METHOD FOR OPERATING A FAN, AND SYSTEM FOR CARRYING OUT SAID METHOD
    • Publication number 20240426320
    • Publication date Dec 26, 2024
    • Ziehl-Abegg SE
    • Fabian MOELLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN MODULE AND RANGE HOOD INCLUDING SAME
    • Publication number 20240410389
    • Publication date Dec 12, 2024
    • Samsung Electronics Co., Ltd.
    • Sung HAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLOWING APPARATUS AND AIR CONDITIONER COMPRISING SAME
    • Publication number 20240361035
    • Publication date Oct 31, 2024
    • Samsung Electronics Co., Ltd.
    • Eunsung JO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBOFAN ENGINE HAVING ANGLED INLET PRE-SWIRL VANES
    • Publication number 20240344530
    • Publication date Oct 17, 2024
    • GENERAL ELECTRIC COMPANY
    • Arthur William Sibbach
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    LOW-PROFILE BLOWERS AND METHODS
    • Publication number 20240288005
    • Publication date Aug 29, 2024
    • GENTHERM INCORPORATED
    • John D. Lofy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORTABLE FAN
    • Publication number 20240229809
    • Publication date Jul 11, 2024
    • Shenzhen Jisu Technology Co.,Ltd
    • Guanzheng ZHENG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLOWER FOR BREATHING APPARATUS
    • Publication number 20240175443
    • Publication date May 30, 2024
    • Fisher & Paykel Healthcare Limited
    • Johannes Nicolaas BOTHMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEMS AND METHODS ASSOCIATED WITH SOUND DAMPENING IN BLOWERS
    • Publication number 20240159249
    • Publication date May 16, 2024
    • Milwaukee Electric Tool Corporation
    • Benjamin J. Owen-Block
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN SHROUD ASSEMBLY
    • Publication number 20240141920
    • Publication date May 2, 2024
    • HANON SYSTEMS
    • Cheolun PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MODAL NOISE REDUCTION FOR GAS TURBINE ENGINE
    • Publication number 20240125335
    • Publication date Apr 18, 2024
    • RTX Corporation
    • David A. Topol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL DEVICE, VEHICLE, CONTROL METHOD, AND COMPUTER READABLE MEMO...
    • Publication number 20240018975
    • Publication date Jan 18, 2024
    • Toyota Jidosha Kabushiki Kaisha
    • Junichiro TAMAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SHROUD FOR AN AIR MOVING DEVICE
    • Publication number 20230383767
    • Publication date Nov 30, 2023
    • Toyota Motor Engineering & Manufacturing North America, Inc.
    • Taehwa Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TEMPERATURE CONTROL DEVICE
    • Publication number 20230373267
    • Publication date Nov 23, 2023
    • TRUMA GERAETETECHNIK GMBH & CO. KG
    • Timo WOLFROM
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FAN ASSEMBLY
    • Publication number 20230358254
    • Publication date Nov 9, 2023
    • MICRO-STAR INT'L CO.,LTD.
    • Yi Wen CHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN FRAME WITH NOISE MUFFLING STRUCTURE
    • Publication number 20230349394
    • Publication date Nov 2, 2023
    • Asia Vital Components Co., Ltd.
    • Hua Lai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HARMONIC ELIMINATION CIRCUIT, POSITION DETECTION DEVICE, MAGNETIC B...
    • Publication number 20230332625
    • Publication date Oct 19, 2023
    • EDWARDS JAPAN LIMITED
    • Toshiaki Kawashima
    • G01 - MEASURING TESTING
  • Information Patent Application

    FAN FRAME TURBULENCE STRUCTURE
    • Publication number 20230323897
    • Publication date Oct 12, 2023
    • ASIA VITAL COMPONENTS (CHINA) CO., LTD.
    • Hua Lai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR-DRIVEN COMPRESSOR, HOUSING STRUCTURE FOR MOTOR-DRIVEN COMPRES...
    • Publication number 20230296113
    • Publication date Sep 21, 2023
    • Kabushiki Kaisha Toyota Jidoshokki
    • Noritaka NISHIMORI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LOW NOISE TURBINE FOR GEARED TURBOFAN ENGINE
    • Publication number 20230296114
    • Publication date Sep 21, 2023
    • Raytheon Technologies Corporation
    • Bruce L. Morin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    FAN WITH IMPROVED HEAT DISSIPATION PERFORMANCE AND LOW NOISE AND EL...
    • Publication number 20230265863
    • Publication date Aug 24, 2023
    • CHAMP TECH OPTICAL (FOSHAN) CORPORATION
    • JING-SHU CHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ACOUSTIC SUPPRESSION SYSTEM
    • Publication number 20230260498
    • Publication date Aug 17, 2023
    • Taurus Technologies Holdings, Inc.
    • Marta MAGNUSSON
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS