by varying driving speed

Industry

  • CPC
  • F04D27/004
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    Fan speed control system for engine cooling

    • Patent number 12,228,067
    • Issue date Feb 18, 2025
    • APPLIED INDUSTRIAL TECHNOLOGIES, INC.
    • Wenling Babbitt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fan unit, fan unit system, and air treatment system

    • Patent number 12,228,308
    • Issue date Feb 18, 2025
    • Daikin Industries, Ltd.
    • Shuuichi Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integrated fan drive system for cooling tower

    • Patent number 12,222,171
    • Issue date Feb 11, 2025
    • Prime Datum, Inc.
    • Patrick M. Rollins
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Gas bearing compressor backup power

    • Patent number 12,215,704
    • Issue date Feb 4, 2025
    • TRANE INTERNATIONAL INC.
    • Seth M. McGill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan capable of adjusting speed of airflow

    • Patent number 12,215,700
    • Issue date Feb 4, 2025
    • Rayprus Technology (Foshan) Co., Ltd.
    • Chang-Hua Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of controlling a pump and motor

    • Patent number 12,215,695
    • Issue date Feb 4, 2025
    • Pentair Flow Technologies, LLC
    • Melissa Drechsel Kidd
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Peak demand response operation of HVAC systems

    • Patent number 12,202,316
    • Issue date Jan 21, 2025
    • Lennox Industries Inc.
    • Rakesh Goel
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Adjusting for air flow temperature changes in an aspirating smoke d...

    • Patent number 12,203,837
    • Issue date Jan 21, 2025
    • Honeywell International Inc.
    • Simone Gasparella
    • G08 - SIGNALLING
  • Information Patent Grant

    Fan and lamp control circuit, fan and lamp device, and fan and lamp...

    • Patent number 12,184,210
    • Issue date Dec 31, 2024
    • SHENZHEN FUNPOWER GENERAL TECHNOLOGY CO., LTD.
    • Biaowei Tao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact portable oxygen concentrator

    • Patent number 12,173,827
    • Issue date Dec 24, 2024
    • Inogen, Inc.
    • Brenton Alan Taylor
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Identification method and air blowing system

    • Patent number 12,173,720
    • Issue date Dec 24, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hajime Mizoe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan speed control device

    • Patent number 12,158,514
    • Issue date Dec 3, 2024
    • Lutron Technology Company LLC
    • James P. Steiner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ceiling fan infrared detection and control system

    • Patent number 12,158,156
    • Issue date Dec 3, 2024
    • Air Cool Industrial Co., Ltd.
    • Shih-Ming Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Systems and methods for controlling fan motors with variable freque...

    • Patent number 12,155,334
    • Issue date Nov 26, 2024
    • Tyco Fire & Security GMBH
    • Harold J. Dubensky
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Gas bearing management for a compressor

    • Patent number 12,146,497
    • Issue date Nov 19, 2024
    • TRANE INTERNATIONAL INC.
    • Jacob T. Helgerson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-capacity compressor with variable speed drive and method of use

    • Patent number 12,140,345
    • Issue date Nov 12, 2024
    • Regal Beloit America, Inc.
    • Ludovic Andre Chretien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pumping

    • Patent number 12,129,841
    • Issue date Oct 29, 2024
    • Edwards Limited
    • Gerald Robin Shelley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mask device and method for controlling the same

    • Patent number 12,121,084
    • Issue date Oct 22, 2024
    • LG Electronics Inc.
    • Keonwang Lee
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Methods and apparatus for controlling fan devices

    • Patent number 12,117,013
    • Issue date Oct 15, 2024
    • WANGS ALLIANCE CORPORATION
    • Eric Stefankiewicz
    • G08 - SIGNALLING
  • Information Patent Grant

    Drain pump driving apparatus and laundry treatment machine includin...

    • Patent number 12,116,713
    • Issue date Oct 15, 2024
    • LG Electronics Inc.
    • Jungmoon Je
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Air circulator

    • Patent number 12,104,821
    • Issue date Oct 1, 2024
    • IRIS OHYAMA INC.
    • Hideki Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blower device

    • Patent number 12,104,609
    • Issue date Oct 1, 2024
    • MINEBEA MITSUMI INC.
    • Hiroyuki Kaidu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan system and fan driving method

    • Patent number 12,104,611
    • Issue date Oct 1, 2024
    • Sentelic Corporation
    • Yu-Chung Tsao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan assembly

    • Patent number 12,104,608
    • Issue date Oct 1, 2024
    • Dyson Technology Limited
    • Eoin Vincent Fanning
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor drive system for respiratory apparatus

    • Patent number 12,097,321
    • Issue date Sep 24, 2024
    • ResMed Pty Ltd
    • Timothy Nicholas Shadie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blower device

    • Patent number 12,092,122
    • Issue date Sep 17, 2024
    • MINEBEA MITSUMI INC.
    • Hiroyuki Kaidu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of controlling a powered air purifying respirator

    • Patent number 12,070,632
    • Issue date Aug 27, 2024
    • 3M Innovative Properties Company
    • Sean R. Kilmer
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Fan for use in agriculture

    • Patent number 12,070,010
    • Issue date Aug 27, 2024
    • Munters Corporation
    • Christopher A. Hause
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Variable geometry supersonic compressor

    • Patent number 12,066,027
    • Issue date Aug 20, 2024
    • NEXT GEN COMPRESSION LLC
    • Shawn P. Lawlor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan brake control system

    • Patent number 12,055,352
    • Issue date Aug 6, 2024
    • Tex Tenn, LLC
    • Brian Alexander Lesniak
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    BLOWER ASSEMBLY FOR HVAC SYSTEM

    • Publication number 20250075705
    • Publication date Mar 6, 2025
    • TYCO FIRE & SECURITY GMBH
    • Randal H. Edmunds
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN BRAKE CONTROL SYSTEM

    • Publication number 20250075991
    • Publication date Mar 6, 2025
    • Tex Tenn, LLC d/b/a Tex Tenn Design & Consulting
    • Brian Alexander Lesniak
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Method and System for Failure Predication of Cooling Fan

    • Publication number 20250067269
    • Publication date Feb 27, 2025
    • RICHTEK TECHNOLOGY CORP.
    • Ta-Yung Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN NOISE CONTROL METHOD AND FAN NOISE CONTROL DEVICE

    • Publication number 20250067270
    • Publication date Feb 27, 2025
    • MICRO-STAR INT'L CO.,LTD.
    • Yi-Fen LIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR DRIVE SYSTEM FOR RESPIRATORY APPARATUS

    • Publication number 20250065064
    • Publication date Feb 27, 2025
    • ResMed Pty Ltd
    • Timothy Nicholas SHADIE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    VARIABLE GEOMETRY SUPERSONIC COMPRESSOR

    • Publication number 20250043789
    • Publication date Feb 6, 2025
    • NEXT GEN COMPRESSION LLC
    • Shawn P. LAWLOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND SYSTEM FOR CONTROLLING FAN, AND ELECTRONIC DEVICE EMPLOY...

    • Publication number 20250030359
    • Publication date Jan 23, 2025
    • CHAMP TECH OPTICAL (FOSHAN) CORPORATION
    • KUAN-MING WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING HEAT DISSIPATION FAN AND RELATED APPARATUS

    • Publication number 20250016965
    • Publication date Jan 9, 2025
    • Fulian Precision Electronics (Tianjin) Co., LTD.
    • SHU-WEI ZHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AMBIENT NOISE LEVEL DETECTION

    • Publication number 20240427389
    • Publication date Dec 26, 2024
    • Hewlett-Packard Development Company, L.P.
    • CHIH-WEI HUANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    AUTOMATIC CONTROL SYSTEM FOR CEILING FAN BASED ON TEMPERATURE DIFFE...

    • Publication number 20240426310
    • Publication date Dec 26, 2024
    • DELTA T, LLC
    • Mark A. Toy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR CIRCULATOR

    • Publication number 20240418398
    • Publication date Dec 19, 2024
    • IRIS OHYAMA INC.
    • Hideki YAMAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HOT AIR BLOWER FOR ICE AND SNOW REMOVAL

    • Publication number 20240383449
    • Publication date Nov 21, 2024
    • Mark Stockstill
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    METHOD FOR QUANTITATIVELY DETERMINING CURRENT OPERATING-STATE-DEPEN...

    • Publication number 20240352939
    • Publication date Oct 24, 2024
    • Ziehl-Abegg SE
    • Frieder LOERCHER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RESPIRATORY APPARATUS

    • Publication number 20240342412
    • Publication date Oct 17, 2024
    • ResMed Pty Ltd
    • Barton John Kenyon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTEGRATED THERMAL COMFORT CONTROL SYSTEM UTILIZING CIRCULATING FANS

    • Publication number 20240344726
    • Publication date Oct 17, 2024
    • DELTA T, LLC
    • James M. DESMET
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIRECT-DRIVE SYSTEM FOR COOLING SYSTEM FANS, EXHAUST BLOWERS AND PUMPS

    • Publication number 20240337454
    • Publication date Oct 10, 2024
    • Prime Datum Developtment Co., LLC
    • Patrick M. Rollins
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    METHODS OF REAL-TIME BLENDING WITH A PUMP

    • Publication number 20240307832
    • Publication date Sep 19, 2024
    • Brine Masters, LLC
    • Clay Hildreth
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PoE Cooling Fan

    • Publication number 20240301886
    • Publication date Sep 12, 2024
    • Origin Acoustics, LLC
    • Joseph Whitaker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPUTERIZED SYSTEMS AND METHODS FOR AUTOMATIC MODE OPERATION AND C...

    • Publication number 20240280113
    • Publication date Aug 22, 2024
    • Ademco Inc.
    • James Woolaway
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR-COOLED DEVICE AND METHOD FOR CONTROLLING AN AIR-COOLED DEVICE

    • Publication number 20240281011
    • Publication date Aug 22, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Kristof Adrien Laura MARTENS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-SWITCH PUMP ASSEMBLY

    • Publication number 20240254997
    • Publication date Aug 1, 2024
    • Cooper Standard Automotive Inc.
    • David S. Malone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS BEARING COMPRESSOR BACKUP POWER

    • Publication number 20240240644
    • Publication date Jul 18, 2024
    • TRANE INTERNATIONAL INC.
    • Seth M. McGill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Geometry Supersonic Compressor

    • Publication number 20240229804
    • Publication date Jul 11, 2024
    • NEXT GEN COMPRESSION LLC
    • Shawn P. LAWLOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A LOW-LOSS MOTOR AND A DRIVE CIRCUIT THEREOF

    • Publication number 20240235442
    • Publication date Jul 11, 2024
    • Intex Marketing Ltd.
    • Zhi Xiong Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBOCHARGER CONTROL SYSTEM FOR REDUCTION OF ROTATIONAL SPEED FLUCT...

    • Publication number 20240209868
    • Publication date Jun 27, 2024
    • Garrett Transportation I Inc.
    • Jens Keuler
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ADAPTIVE CAPACITOR SECTION FOR FAN SPEED CONTROL

    • Publication number 20240191721
    • Publication date Jun 13, 2024
    • HUBBELL INCORPORATED
    • Michael Dennis Tetreault
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM FOR ENSURING CONTINUED OPERATION OF FAN NOTWITHSTANDING BMC...

    • Publication number 20240196560
    • Publication date Jun 13, 2024
    • Fulian Precision Electronics (Tianjin) Co., LTD.
    • XIAO-LONG ZHOU
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CEILING FAN INFRARED DETECTION AND CONTROL SYSTEM

    • Publication number 20240191720
    • Publication date Jun 13, 2024
    • AIR COOL INDUSTRIAL CO., LTD.
    • Shih-Ming CHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DECOMPRESSION SYSTEM, CONTROL DEVICE, AND CONTROL METHOD

    • Publication number 20240175441
    • Publication date May 30, 2024
    • Kabushiki Kaisha Yaskawa Denki
    • Akinori GOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FUEL CELL SYSTEM HAVING AN AIR COMPRESSOR AND A DRIVING CONTROL MET...

    • Publication number 20240170700
    • Publication date May 23, 2024
    • Hyundai Motor Company
    • Min Gu Park
    • H01 - BASIC ELECTRIC ELEMENTS