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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16KVALVES TAPS COCKS ACTUATING-FLOATS DEVICES FOR VENTING OR AERATING F16K15/00Check valves

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F16K15/033spring-loaded
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust suction and charging device for floor sweeping robot, and dust...
    • Patent number 11,998,161
    • Issue date Jun 4, 2024
    • BEIJING XIANGJIE SCIENCE AND TECHNOLOGY CO., LTD.
    • Liang Bo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve device
    • Patent number 11,920,685
    • Issue date Mar 5, 2024
    • Futaba Industrial Co., Ltd.
    • Takenori Nakayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid control assemblies for sprinkler systems
    • Patent number 11,865,387
    • Issue date Jan 9, 2024
    • Tyco Fire Products LP
    • James O. Williams
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve cartridge with flow guide for compact backflow preventi...
    • Patent number 11,852,254
    • Issue date Dec 26, 2023
    • Watts Regulator Co.
    • Peter P. Bouchard
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Watertight check valve
    • Patent number 11,841,087
    • Issue date Dec 12, 2023
    • Mueller International, LLC
    • Sean Michael Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Backflow prevention assembly having a cartridge with dual zone testing
    • Patent number 11,835,147
    • Issue date Dec 5, 2023
    • Watts Regulator Co.
    • Peter P. Bouchard
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Modular valve assembly
    • Patent number 11,826,591
    • Issue date Nov 28, 2023
    • Victaulic Company
    • Yoram Ringer
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Ball valve assembly
    • Patent number 11,781,658
    • Issue date Oct 10, 2023
    • Victaulic Company
    • Yoram Ringer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Backflow prevention assembly with a linkage
    • Patent number 11,773,992
    • Issue date Oct 3, 2023
    • Watts Regulator Co.
    • Peter P. Bouchard
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Valve assembly for exhaust system
    • Patent number 11,702,997
    • Issue date Jul 18, 2023
    • Tenneco Automotive Operating Company Inc.
    • Stephen M. Thomas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve device
    • Patent number 11,680,652
    • Issue date Jun 20, 2023
    • Futaba Industrial Co., Ltd.
    • Shunsuke Sameshima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Watertight check valve
    • Patent number 11,635,150
    • Issue date Apr 25, 2023
    • Mueller International, LLC
    • Sean Michael Allen
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Charge-air cooler and method to reduce water induction in engine
    • Patent number 11,525,424
    • Issue date Dec 13, 2022
    • Ford Global Technologies, LLC
    • Shuya Shark Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve device
    • Patent number 11,448,329
    • Issue date Sep 20, 2022
    • JTEKT CORPORATION
    • Kazushi Numazaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Modular valve assembly
    • Patent number 11,439,855
    • Issue date Sep 13, 2022
    • Victaulic Company
    • Yoram Ringer
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    High pressure float valve
    • Patent number 11,421,509
    • Issue date Aug 23, 2022
    • Pamala Ranee Cress
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Gas pressure regulating device
    • Patent number 11,415,236
    • Issue date Aug 16, 2022
    • Feng Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clapper valve
    • Patent number 11,365,819
    • Issue date Jun 21, 2022
    • SPM Oil & Gas Inc.
    • Nadiya Fuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Airflow balancing valve for HVAC systems
    • Patent number 11,281,239
    • Issue date Mar 22, 2022
    • Metal Industries, LLC
    • James P. Ashton
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Apparatus and method for activation of flapper check valve
    • Patent number 11,261,980
    • Issue date Mar 1, 2022
    • COIL SOLUTIONS, INC.
    • Michael Herrera
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Watertight check valve
    • Patent number 11,204,102
    • Issue date Dec 21, 2021
    • Mueller International, LLC
    • Sean Michael Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Device for activity test of extraction check valve
    • Patent number 11,162,612
    • Issue date Nov 2, 2021
    • NINGXIA DANCHEN TECHNOLOGY CO., LTD
    • Jisheng Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Angle type check valve
    • Patent number 11,137,082
    • Issue date Oct 5, 2021
    • Three-M Industry Co., Ltd.
    • Hideo Okuno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Solenoid valve for activity test of extraction check valve
    • Patent number 11,137,084
    • Issue date Oct 5, 2021
    • NINGXIA DANCHEN TECHNOLOGY CO., LTD
    • Jisheng Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Angle type check valve
    • Patent number 11,137,083
    • Issue date Oct 5, 2021
    • Three-M Industry Co., Ltd.
    • Hideo Okuno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid control assemblies for sprinkler systems
    • Patent number 11,123,588
    • Issue date Sep 21, 2021
    • Tyco Fire Products LP
    • James O. Williams
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air admittance valve preventing mephitis overflow
    • Patent number 11,047,494
    • Issue date Jun 29, 2021
    • Chao Chi Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dry alarm valve assembly for controlling a sprinkler firefighting s...
    • Patent number 11,045,674
    • Issue date Jun 29, 2021
    • BOCCIOLONE ANTINCENDIO S.P.A.
    • Stefano Galletti
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Externally mounted in-line exhaust gas valve
    • Patent number 10,961,923
    • Issue date Mar 30, 2021
    • Tenneco Automotive Operating Company Inc.
    • Stephen M. Thomas
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Flow passage device and engine cooling system
    • Patent number 10,927,748
    • Issue date Feb 23, 2021
    • Aisin Seiki Kabushiki Kaisha
    • Masafumi Yoshida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID CONTROL ASSEMBLIES FOR SPRINKLER SYSTEMS
    • Publication number 20240100377
    • Publication date Mar 28, 2024
    • TYCO FIRE PRODUCTS LP
    • James O. WILLIAMS
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TELESCOPING SPRING RETENTION ASSEMBLY FOR A CHECK VALVE
    • Publication number 20240093797
    • Publication date Mar 21, 2024
    • Watts Regulator Co.
    • Peter P. BOUCHARD
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Clapper With an Upstream Cam-Arm and Roller Arrangement
    • Publication number 20240093795
    • Publication date Mar 21, 2024
    • Acorn Engineering Company, Inc.
    • Luis Fernando Prieto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Spring Stop for Clapper Valve
    • Publication number 20240093796
    • Publication date Mar 21, 2024
    • Acorn Engineering Company, Inc.
    • Edward Barry Knoles
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BACKFLOW PREVENTION ASSEMBLY HAVING A CARTRIDGE WITH DUAL ZONE TESTING
    • Publication number 20230383856
    • Publication date Nov 30, 2023
    • Watts Regulator Co.
    • Peter P. Bouchard
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    EMERGENCY DEGASSING VALVE APPARATUS
    • Publication number 20230323973
    • Publication date Oct 12, 2023
    • Illinois Tool Works Inc.
    • Christian Pfeiffer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE DEVICE WITH BALL LOCKS
    • Publication number 20230265955
    • Publication date Aug 24, 2023
    • David Meyer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Check Valve With Integral Handle
    • Publication number 20230258276
    • Publication date Aug 17, 2023
    • Hayward Industries, Inc.
    • Christopher Moncur
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BACKFLOW PREVENTION ASSEMBLY HAVING A CARTRIDGE WITH DUAL ZONE TESTING
    • Publication number 20230228067
    • Publication date Jul 20, 2023
    • Watts Regulator Co.
    • Peter P. Bouchard
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    MUFFLER VALVE AND MUFFLER
    • Publication number 20230193796
    • Publication date Jun 22, 2023
    • SANKEI GIKEN KOGYO CO., LTD.
    • Hidetoshi Sugimoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    WATERTIGHT CHECK VALVE
    • Publication number 20230167913
    • Publication date Jun 1, 2023
    • Mueller International, LLC
    • Sean Michael Allen
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    HERMETIC CONTAINER FOR FOOD WITH AUTOMATIC VALVE FOR DISCHARGING TH...
    • Publication number 20230038511
    • Publication date Feb 9, 2023
    • Vetreria Di Borgonovo S.P.A.
    • Pier Francesco PICCIONI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BACKFLOW PREVENTION ASSEMBLY WITH A LINKAGE
    • Publication number 20220412474
    • Publication date Dec 29, 2022
    • Peter P. BOUCHARD
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    MUFFLER VALVE AND MUFFLER
    • Publication number 20220389849
    • Publication date Dec 8, 2022
    • SANKEI GIKEN KOGYO CO., LTD.
    • Naoya Kubota
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BALL VALVE ASSEMBLY
    • Publication number 20220390022
    • Publication date Dec 8, 2022
    • Victaulic Company
    • Yoram RINGER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE DEVICE
    • Publication number 20220235874
    • Publication date Jul 28, 2022
    • FUTABA INDUSTRIAL CO., LTD.
    • Shunsuke Sameshima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    RELIEF VALVE WITH TESTING LOCKOUT
    • Publication number 20220221072
    • Publication date Jul 14, 2022
    • Steven CASTRIGNO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Airflow Balancing Valve for HVAC Systems
    • Publication number 20220147068
    • Publication date May 12, 2022
    • Metal Industries, LLC
    • James P. Ashton
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    WATERTIGHT CHECK VALVE
    • Publication number 20220074512
    • Publication date Mar 10, 2022
    • Mueller International, LLC
    • Sean Michael Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLUID CONTROL ASSEMBLIES FOR SPRINKLER SYSTEMS
    • Publication number 20210402237
    • Publication date Dec 30, 2021
    • TYCO FIRE PRODUCTS LP
    • James O. WILLIAMS
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    HOUSEHOLD ELECTRIC APPLIANCE WITH HIGH/LOW-PRESSURE FUNCTION
    • Publication number 20210396220
    • Publication date Dec 23, 2021
    • Shiqing LI
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    WATERTIGHT CHECK VALVE
    • Publication number 20210293340
    • Publication date Sep 23, 2021
    • Mueller International, LLC
    • Sean Michael Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    APPARATUS AND METHOD FOR ACTIVATION OF FLAPPER CHECK VALVE
    • Publication number 20210285555
    • Publication date Sep 16, 2021
    • COIL SOLUTIONS INC.
    • Michael Herrera
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Angle Type Check Valve
    • Publication number 20210222782
    • Publication date Jul 22, 2021
    • Three-M Industry Co., Ltd.
    • Hideo OKUNO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MODULAR VALVE ASSEMBLY
    • Publication number 20210205647
    • Publication date Jul 8, 2021
    • Victaulic Company
    • Yoram RINGER
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Valve Assembly For Exhaust System
    • Publication number 20210199057
    • Publication date Jul 1, 2021
    • Tenneco Automotive Operating Company Inc.
    • Stephen M. THOMAS
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MODULAR VALVE ASSEMBLY
    • Publication number 20210146179
    • Publication date May 20, 2021
    • Victaulic Company
    • Yoram RINGER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Clapper Valve
    • Publication number 20200393054
    • Publication date Dec 17, 2020
    • S.P.M. Flow Control, Inc.
    • Nadiya Fuller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Solenoid Valve For Activity Test Of Extraction Check Valve
    • Publication number 20200326002
    • Publication date Oct 15, 2020
    • Ningxia Danchen Technology Co., LTD.
    • Jisheng WANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Damper Valve Assembly
    • Publication number 20200309277
    • Publication date Oct 1, 2020
    • Tenneco Automotive Operating Company Inc.
    • Stephen M. THOMAS
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...