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by varying driving speed

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  • F04D27/004
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D27/00Control

Current Industry

F04D27/004by varying driving speed
Industries

Patents Grantslast 30 patents

  • 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
  • Information Patent Grant

    Air purification system and internet of things artificial intellige...
    • Patent number 12,042,754
    • Issue date Jul 23, 2024
    • Pak Leung Yuen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan lamp and fan lamp controller
    • Patent number 12,031,712
    • Issue date Jul 9, 2024
    • Haiquan Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Real time blending system via a single pump
    • Patent number 12,023,634
    • Issue date Jul 2, 2024
    • BRINE MASTERS, LLC
    • Clay Hildreth
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents