by means of resonance chambers or interference

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Patents Applicationslast 30 patents

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    DEBRIS BLOWER WITH SOUND ATTENUATION RESONATOR

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    • THE TORO COMPANY
    • Benjamin L. Waldera
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    AIR WARMER

    • Publication number 20240352947
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    • SMITHS MEDICAL ASD, INC.
    • Benjamin James Peterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Fan Apparatus and Electronic Device

    • Publication number 20240247662
    • Publication date Jul 25, 2024
    • Honor Device Co., Ltd.
    • Tao Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    CENTRIFUGAL COMPRESSOR WITH REVERSE OVERHUNG VOLUTE

    • Publication number 20240209862
    • Publication date Jun 27, 2024
    • Daikin Industries, Ltd.
    • Midori DRAKE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    NOISE REDUCTION FOR AIR FLOW DEVICES

    • Publication number 20240200576
    • Publication date Jun 20, 2024
    • Dyson Technology Limited
    • Philip Tennison REILLY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    ATTENUATOR FOR NOISE GENERATED BY A CENTRIFUGAL PUMP

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    • TALLANO TECHNOLOGIES
    • Pascal GUERRY
    • B60 - VEHICLES IN GENERAL
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    SILENCING DEVICE AND REFRIGERATOR

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    • SHENYANG HAIER REFRIGERATOR CO., LTD.
    • YANBIN WAN
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    ELECTRICALLY DRIVEN DUCTED FAN ENGINE

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    • Publication date Oct 12, 2023
    • Lilium eAircraft GmbH
    • Deepesh Kumar SINGH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    NOISE REDUCTION STRUCTURE FOR VENTILATION TREATMENT DEVICE AND VENT...

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    • BMC Medical Co., Ltd.
    • Jianxin ZHI
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    CENTRIFUGAL COMPRESSOR WITH REVERSE OVERHUNG VOLUTE

    • Publication number 20230137972
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    • DAIKIN INDUSTRIES, LTD.
    • Midori DRAKE
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    COMPRESSOR

    • Publication number 20230135302
    • Publication date May 4, 2023
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Koji Maeta
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    BLOWER WITH SILENCER

    • Publication number 20220389938
    • Publication date Dec 8, 2022
    • FUJIFILM CORPORATION
    • Shinya HAKUTA
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    BLOWER WITH SILENCER AND MOVING OBJECT WITH PROPELLER

    • Publication number 20220389939
    • Publication date Dec 8, 2022
    • FUJIFILM CORPORATION
    • Shinya HAKUTA
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    METHOD AND SYSTEM FOR CHANGING A FLOW RATE OF AIR OUT OF A DUCT IN...

    • Publication number 20220221185
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    • Suncourt, Inc.
    • David J Forman
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    TURBOCHARGER

    • Publication number 20220178274
    • Publication date Jun 9, 2022
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Sam Watton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    NOISE REDUCTION DEVICE FOR OUTLET SIDE OF FAN AND HEAT EXCHANGE SYS...

    • Publication number 20220025906
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    • Carrier Corporation
    • JunJie Ji
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    FAN SILENCING SYSTEM

    • Publication number 20220018363
    • Publication date Jan 20, 2022
    • FUJIFILM CORPORATION
    • Shinya HAKUTA
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
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    BLOWER WITH SILENCER

    • Publication number 20220010813
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    • FUJIFILM CORPORATION
    • Yoshihiro SUGAWARA
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    TURBOCHARGER HAVING ADJUSTABLE-TRIM CENTRIFUGAL COMPRESSOR INCLUDIN...

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    • Garrett Transportation I Inc.
    • Alain Lombard
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    ACOUSTIC LINER WITH NON-UNIFORM VOLUMETRIC DISTRIBUTION

    • Publication number 20210277829
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    • Raytheon Technologies Corporation
    • Daniel K. Van Ness
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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    BLOWER FOR RESPIRATOR DEVICE

    • Publication number 20210220585
    • Publication date Jul 22, 2021
    • SYSMED (CHINA) CO., LTD
    • Zhuoran TANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    TURBOCHARGER HAVING ADJUSTABLE-TRIM CENTRIFUGAL COMPRESSOR INCLUDIN...

    • Publication number 20200340497
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    • Garrett Transportation I Inc.
    • Alain Lombard
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    SYSTEM FOR REDUCING INTERFERENCE NOISE OF ROTOR AND STATOR BLADES,...

    • Publication number 20200291964
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    • KABUSHIKI KAISHA TOSHIBA
    • Tatsuhiko Goto
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    ACOUSTIC PANEL FOR A NACELLE OF AN AIRCRAFT PROPULSION UNIT, AND RE...

    • Publication number 20200200084
    • Publication date Jun 25, 2020
    • SAFRAN NACELLES
    • Bertrand DESJOYEAUX
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
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    Modular Low-Noise Motor

    • Publication number 20200096008
    • Publication date Mar 26, 2020
    • ABB Schweiz AG
    • Stephen Douglas Browne
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    ELECTRONIC DEVICE HAVING A FAN

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    • Publication date Mar 5, 2020
    • LENOVO (SINGAPORE) PTE. LTD.
    • Ryota Watanabe
    • G06 - COMPUTING CALCULATING COUNTING
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    VENTILATION FAN

    • Publication number 20190376522
    • Publication date Dec 12, 2019
    • Delta Electronics, Inc.
    • Yuan-Chuan LIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    METHOD AND SYSTEM FOR CONTROLLING DISTRIBUTION OF THERMALLY ALTERED...

    • Publication number 20190368764
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    • Suncourt, Inc.
    • David J Forman
    • F24 - HEATING RANGES VENTILATING
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    AIRCRAFT PROPULSION SYSTEM ASSEMBLY INCLUDING ONE OR MORE ACOUSTIC...

    • Publication number 20190337632
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    • Rohr, Inc.
    • Jacquelyn Berry
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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    CENTRIFUGAL-TYPE BLOWER DEVICE

    • Publication number 20190309767
    • Publication date Oct 10, 2019
    • DENSO CORPORATION
    • Masanori YASUDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...