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Julian Liu

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  • Port Moody, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cable tension adjuster for height-adjustable wheeled vehicle
    • Patent number 12,090,115
    • Issue date Sep 17, 2024
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Manually-operated, height-adjustable wheeled vehicle, and a brake a...
    • Patent number 11,648,922
    • Issue date May 16, 2023
    • Evolution Technologies Inc.
    • Julian Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake assembly for height-adjustable patient transport apparatus
    • Patent number 11,220,246
    • Issue date Jan 11, 2022
    • Evolution Technologies Inc.
    • Julian Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake assembly for height-adjustable patient transport apparatus
    • Patent number 10,730,489
    • Issue date Aug 4, 2020
    • Evolution Technologies Inc.
    • Julian Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake assembly for a height-adjustable walker apparatus
    • Patent number 10,053,062
    • Issue date Aug 21, 2018
    • Evolution Technologies Inc.
    • Julian Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bath chair
    • Patent number 9,763,545
    • Issue date Sep 19, 2017
    • EVOLUTION TECHNOLOGIES INC.
    • Julian Liu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Walker apparatus and backrest therefor
    • Patent number 9,744,094
    • Issue date Aug 29, 2017
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 9,415,635
    • Issue date Aug 16, 2016
    • Evolution Technologies Inc.
    • Julian Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Walker apparatus and backrest therefor
    • Patent number 9,339,432
    • Issue date May 17, 2016
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 9,320,672
    • Issue date Apr 26, 2016
    • EVOLUTION TECHNOLGIES INC.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Bath chair
    • Patent number 9,307,868
    • Issue date Apr 12, 2016
    • EVOLUTION TECHNOLGIES INC.
    • Julian Liu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 9,192,541
    • Issue date Nov 24, 2015
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 9,180,065
    • Issue date Nov 10, 2015
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Bath chair
    • Patent number 9,149,160
    • Issue date Oct 6, 2015
    • Evolution Technologies Inc.
    • Julian Liu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 9,022,413
    • Issue date May 5, 2015
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,936,256
    • Issue date Jan 20, 2015
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,864,151
    • Issue date Oct 21, 2014
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,602,424
    • Issue date Dec 10, 2013
    • Evolution Technologies, Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,573,613
    • Issue date Nov 5, 2013
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,517,399
    • Issue date Aug 27, 2013
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,505,936
    • Issue date Aug 13, 2013
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,454,034
    • Issue date Jun 4, 2013
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,448,960
    • Issue date May 28, 2013
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,267,412
    • Issue date Sep 18, 2012
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,251,380
    • Issue date Aug 28, 2012
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Foldable walker apparatus
    • Patent number 8,083,239
    • Issue date Dec 27, 2011
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Protective cover for a data storage disc and method of use
    • Patent number 7,043,742
    • Issue date May 9, 2006
    • Julian Liu
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Protective cover for a data storage disc and method of use
    • Patent number 6,901,600
    • Issue date May 31, 2005
    • Julian Liu
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    CABLE TENSION ADJUSTER FOR HEIGHT-ADJUSTABLE WHEELED VEHICLE
    • Publication number 20220347042
    • Publication date Nov 3, 2022
    • Evolution Technologies Inc.
    • Julian LIU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BRAKE ASSEMBLY FOR HEIGHT-ADJUSTABLE PATIENT TRANSPORT APPARATUS
    • Publication number 20200346627
    • Publication date Nov 5, 2020
    • Evolution Technologies Inc.
    • Julian LIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MANUALLY-OPERATED, HEIGHT-ADJUSTABLE WHEELED VEHICLE, AND A BRAKE A...
    • Publication number 20200146926
    • Publication date May 14, 2020
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BRAKE ASSEMBLY FOR HEIGHT-ADJUSTABLE PATIENT TRANSPORT APPARATUS
    • Publication number 20190009758
    • Publication date Jan 10, 2019
    • Evolution Technologies Inc.
    • Julian LIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    QUICK-RELEASE COUPLING ASSEMBLY FOR UPRIGHT MEMBERS OF A WALKER APP...
    • Publication number 20170058930
    • Publication date Mar 2, 2017
    • Evolution Technologies Inc.
    • Julian LIU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BRAKE ASSEMBLY FOR A HEIGHT-ADJUSTABLE WALKER APPARATUS
    • Publication number 20170057473
    • Publication date Mar 2, 2017
    • Evolution Technologies Inc.
    • Julian LIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    WALKER APPARATUS AND BACKREST THEREFOR
    • Publication number 20160250095
    • Publication date Sep 1, 2016
    • Evolution Technologies Inc.
    • Julian LIU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BATH CHAIR
    • Publication number 20160183735
    • Publication date Jun 30, 2016
    • Evolution Technologies Inc.
    • Julian Liu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    WALKER APPARATUS AND BACKREST THEREFOR
    • Publication number 20150245973
    • Publication date Sep 3, 2015
    • Evolution Technologies Inc.
    • Julian LIU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20150048582
    • Publication date Feb 19, 2015
    • Evolution Technologies Inc.
    • Julian Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20140339784
    • Publication date Nov 20, 2014
    • Julian LIU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20140305249
    • Publication date Oct 16, 2014
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20140284891
    • Publication date Sep 25, 2014
    • Evolution Technologies Inc.
    • Julian Liu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20140175841
    • Publication date Jun 26, 2014
    • EVOLUTION TECHNOLOGIES INC.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20130320640
    • Publication date Dec 5, 2013
    • Evolution Technologies Inc.
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120299272
    • Publication date Nov 29, 2012
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120286488
    • Publication date Nov 15, 2012
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120280463
    • Publication date Nov 8, 2012
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BATH CHAIR
    • Publication number 20120233767
    • Publication date Sep 20, 2012
    • Julian Liu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120133106
    • Publication date May 31, 2012
    • Julian LIU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120104710
    • Publication date May 3, 2012
    • Julian LIU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120043739
    • Publication date Feb 23, 2012
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120032410
    • Publication date Feb 9, 2012
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120032407
    • Publication date Feb 9, 2012
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20120025483
    • Publication date Feb 2, 2012
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FOLDABLE WALKER APPARATUS
    • Publication number 20100083994
    • Publication date Apr 8, 2010
    • Julian Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Protective cover for a data storage disc and method of use
    • Publication number 20030121806
    • Publication date Jul 3, 2003
    • Julian Liu
    • G11 - INFORMATION STORAGE