TREA

characterised by varying pitch

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  • F16F1/047
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16FSPRINGS SHOCK-ABSORBERS MEANS FOR DAMPING VIBRATION F16F1/00Springs

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F16F1/047characterised by varying pitch
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Filtering pulley
    • Patent number 11,815,172
    • Issue date Nov 14, 2023
    • Dayco Europe S.r.l.
    • Gianluca Cariccia
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Coil spring
    • Patent number 11,719,298
    • Issue date Aug 8, 2023
    • Suncall Corporation
    • Ryuji Kishihara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coil spring
    • Patent number 11,181,160
    • Issue date Nov 23, 2021
    • SUNCALL CORPORATION
    • Ryuji Kishihara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coil spring
    • Patent number 11,131,356
    • Issue date Sep 28, 2021
    • Suncall Corporation
    • Ryuji Kishihara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Coil spring
    • Patent number 10,995,811
    • Issue date May 4, 2021
    • NHK Spring Co., Ltd.
    • Toshinori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coil springs with non-linear loading responses and mattresses inclu...
    • Patent number 10,935,098
    • Issue date Mar 2, 2021
    • Sealy Technology, LLC
    • Darin Thomas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drive device and pump device
    • Patent number 10,808,783
    • Issue date Oct 20, 2020
    • Mikuni Corporation
    • Jun Takahashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Check valve, high-pressure component, and high-pressure fuel pump
    • Patent number 10,746,148
    • Issue date Aug 18, 2020
    • Vitesco Technologies GmbH
    • Markus Zankl
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Coil springs with non-linear loading responses and mattresses inclu...
    • Patent number 10,598,242
    • Issue date Mar 24, 2020
    • Sealy Technology, LLC
    • Darin Thomas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Suspension coil spring
    • Patent number 10,300,756
    • Issue date May 28, 2019
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Hironobu Sayama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Solenoid valve with progressive spring inside anchor
    • Patent number 10,180,195
    • Issue date Jan 15, 2019
    • Danfoss A/S
    • Leo Finn Jensen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coil spring
    • Patent number 10,138,970
    • Issue date Nov 27, 2018
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Takayuki Matsuoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coil spring, coil spring holder, and image forming apparatus
    • Patent number 10,061,222
    • Issue date Aug 28, 2018
    • Ricoh Company, Ltd.
    • Yuki Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Torque converter clutch
    • Patent number 10,060,484
    • Issue date Aug 28, 2018
    • Barnes Group Inc.
    • Joaquin Davis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring assembly and damper device including spring assembly
    • Patent number 10,041,561
    • Issue date Aug 7, 2018
    • EXEDY Corporation
    • Takeshi Senoue
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compact balance spring of variable section
    • Patent number 10,018,964
    • Issue date Jul 10, 2018
    • Eta Sa Manufacture Horlogère Suisse
    • Jean-Luc Helfer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reduced dimension balance spring of constant double section
    • Patent number 10,012,954
    • Issue date Jul 3, 2018
    • Eta Sa Manufacture Horlogère Suisse
    • Jean-Luc Helfer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ammunition magazine and resilient member
    • Patent number 9,976,825
    • Issue date May 22, 2018
    • Sagi Faifer
    • F41 - WEAPONS
  • Information Patent Grant

    Coil spring
    • Patent number 9,926,993
    • Issue date Mar 27, 2018
    • AISIN AW CO. LTD.
    • Yoshihiro Takikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fuel pump for a direct injection system
    • Patent number 9,822,751
    • Issue date Nov 21, 2017
    • Magneti Marelli S.p.A.
    • Enrico Vezzani
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Suspension coil spring and strut type suspension
    • Patent number 9,770,957
    • Issue date Sep 26, 2017
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Masanori Sano
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Spring assemblies for use in gas turbine engines and methods for th...
    • Patent number 9,562,616
    • Issue date Feb 7, 2017
    • Honeywell International Inc.
    • Laurie Strom
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Ratchet wrench actuator structure
    • Patent number 9,522,460
    • Issue date Dec 20, 2016
    • Yeo Ming Wang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ammunition magazine and resilient member
    • Patent number 9,255,749
    • Issue date Feb 9, 2016
    • Sagi Faifer
    • F41 - WEAPONS
  • Information Patent Grant

    Image forming apparatus
    • Patent number 9,221,638
    • Issue date Dec 29, 2015
    • Kabushiki Kaisha Toshiba
    • Kazutoshi Takahashi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Asymmetrical combined cylindrical and conical springs
    • Patent number 9,161,634
    • Issue date Oct 20, 2015
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Push-out device
    • Patent number 9,010,836
    • Issue date Apr 21, 2015
    • NIFCO Inc.
    • Yasuhiro Watanabe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Plastic spring and method and apparatus for making the same
    • Patent number 8,939,438
    • Issue date Jan 27, 2015
    • Lee Spring Company LLC
    • Stephen Kempf
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Coil spring forming apparatus and coil spring formed thereby
    • Patent number 8,667,825
    • Issue date Mar 11, 2014
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Takashi Eto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Coil spring forming apparatus and coil spring formed thereby
    • Patent number 8,341,993
    • Issue date Jan 1, 2013
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Takashi Eto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    COIL SPRING
    • Publication number 20210324930
    • Publication date Oct 21, 2021
    • Suncall Corporation
    • Ryuji KISHIHARA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COIL SPRING
    • Publication number 20210190162
    • Publication date Jun 24, 2021
    • Suncall Corporation
    • Ryuji KISHIHARA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COIL SPRINGS WITH NON-LINEAR LOADING RESPONSES AND MATTRESSES INCLU...
    • Publication number 20200217384
    • Publication date Jul 9, 2020
    • Sealy Technology, LLC
    • Darin THOMAS
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    METHOD OF PRODUCING COIL SPRING
    • Publication number 20200141463
    • Publication date May 7, 2020
    • NHK SPRING CO., LTD.
    • Masaru Matsubara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SPOOL VALVE UNIT AND VALVE DEVICE
    • Publication number 20200088309
    • Publication date Mar 19, 2020
    • DENSO CORPORATION
    • Masaaki KONO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DRIVE DEVICE AND PUMP DEVICE
    • Publication number 20190186571
    • Publication date Jun 20, 2019
    • Mikuni Corporation
    • Jun TAKAHASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COIL SPRING
    • Publication number 20190113094
    • Publication date Apr 18, 2019
    • NHK SPRING Co., Ltd.
    • Toshinori WATANABE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    AMMUNITION MAGAZINE AND RESILIENT MEMBER
    • Publication number 20180209753
    • Publication date Jul 26, 2018
    • SAGI FAIFER
    • F41 - WEAPONS
  • Information Patent Application

    COIL SPRINGS WITH NON-LINEAR LOADING RESPONSES AND MATTRESSES INCLU...
    • Publication number 20170335914
    • Publication date Nov 23, 2017
    • Sealy Technology, LLC
    • Darin THOMAS
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    COIL SPRING, COIL SPRING HOLDER, AND IMAGE FORMING APPARATUS
    • Publication number 20170307996
    • Publication date Oct 26, 2017
    • RICOH COMPANY, LTD.
    • Yuki Sato
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    AMMUNITION MAGAZINE AND RESILIENT MEMBER
    • Publication number 20170307318
    • Publication date Oct 26, 2017
    • SAGI FAIFER
    • F41 - WEAPONS
  • Information Patent Application

    Thickness Increase Spring
    • Publication number 20160281812
    • Publication date Sep 29, 2016
    • Christina XiaoLin Dai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20150360894
    • Publication date Dec 17, 2015
    • Kabushiki Kaisha Toshiba
    • Kazutoshi Takahashi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    AMMUNITION MAGAZINE AND RESILIENT MEMBER
    • Publication number 20150226504
    • Publication date Aug 13, 2015
    • SAGI FAIFER
    • F41 - WEAPONS
  • Information Patent Application

    HIGH TENSION COIL-SPRING FOR BED MATTRESS HAVING MEANS FOR PREVENTI...
    • Publication number 20150084251
    • Publication date Mar 26, 2015
    • Yoo Soo Ahn
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    OPENING SPRING FOR MULTIPLE FOLD AUTOMATIC OPEN-CLOSE UNBRELLA
    • Publication number 20150068568
    • Publication date Mar 12, 2015
    • Tsun-Zong WU
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    SPRING ASSEMBLIES FOR USE IN GAS TURBINE ENGINES AND METHODS FOR TH...
    • Publication number 20140283922
    • Publication date Sep 25, 2014
    • Honeywell International Inc.
    • Laurie Strom
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    VANE COMPRESSOR
    • Publication number 20140112817
    • Publication date Apr 24, 2014
    • CALSONIC KANSEI CORPORATION
    • Tatsuya Osaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUSH-OUT DEIVICE
    • Publication number 20140042768
    • Publication date Feb 13, 2014
    • NIFCO INC.
    • Yasuhiro Watanabe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DIFFERENTIAL PRESSURE VALVE WITH PARALLEL BIASING SPRINGS AND METHO...
    • Publication number 20140014190
    • Publication date Jan 16, 2014
    • Riccardo Bagagli
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Coil Spring
    • Publication number 20130099435
    • Publication date Apr 25, 2013
    • Mitsubishi Steel Mfg. Co., Ltd
    • Takayuki Matsuoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COIL SPRING FORMING APPARATUS AND COIL SPRING FORMED THEREBY
    • Publication number 20130062821
    • Publication date Mar 14, 2013
    • Mitsubishi Steel Mfg. Co., Ltd
    • Takashi Eto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ENCASED HOURGLASS COILS AND MATTRESS CORES
    • Publication number 20130031726
    • Publication date Feb 7, 2013
    • Sealy Technology, LLC
    • Larry K. DEMOSS
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Cable-Operated Device
    • Publication number 20120292142
    • Publication date Nov 22, 2012
    • CHUO HATSUJO KABUSHIKI KAISHA
    • Yuichi Hasegawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SPRING WIRE ROD, CONTACT PROBE, AND PROBE UNIT
    • Publication number 20120019277
    • Publication date Jan 26, 2012
    • NHK Spring Co., Ltd.
    • Toshio Kazama
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    Plastic Spring And Method And Apparatus For Making The Same
    • Publication number 20110169205
    • Publication date Jul 14, 2011
    • Stephen Kempf
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    COIL SPRING FORMING APPARATUS AND COIL SPRING FORMED THEREBY
    • Publication number 20100052231
    • Publication date Mar 4, 2010
    • Mitsubishi Steel Mfg. Co. Ltd.
    • Takashi Eto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Asymmetrical combined cylindrical and conical springs
    • Publication number 20090106908
    • Publication date Apr 30, 2009
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    High profile balable coils and innersprings
    • Publication number 20040046297
    • Publication date Mar 11, 2004
    • Larry DeMoss
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Spring having a high natural frequency and a low spring rate
    • Publication number 20020195760
    • Publication date Dec 26, 2002
    • Cooper Cameron Corporation;
    • Marold W. Lavy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...