TREA

AD-II ENGINEERING INC

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  • ROSEMEAD, CA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle front derailleur
    • Patent number 11,891,155
    • Issue date Feb 6, 2024
    • AD-II ENGINEERING INC.
    • Kai-Hung Hu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rear derailleur
    • Patent number 11,834,131
    • Issue date Dec 5, 2023
    • AD-II ENGINEERING INC.
    • Chien-Hao Su
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle operating device
    • Patent number 11,814,132
    • Issue date Nov 14, 2023
    • AD-II ENGINEERING INC.
    • Kai-Hung Hu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rear derailleur
    • Patent number 11,814,138
    • Issue date Nov 14, 2023
    • AD-II ENGINEERING INC.
    • Chien-Hao Su
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle rear derailleur
    • Patent number 10,894,576
    • Issue date Jan 19, 2021
    • AD-II ENGINEERING INC.
    • Chien-Hao Su
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Easy-adjustment bicycle gear-shifting system
    • Patent number 10,442,497
    • Issue date Oct 15, 2019
    • AD-II ENGINEERING INC.
    • Chi-Ming Chien
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Clutch unit of bicycle derailleur
    • Patent number 10,124,857
    • Issue date Nov 13, 2018
    • AD-II ENGINEERING INC.
    • Kuei-Jung Chan
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Speed indicator for a shifting device of bicycle
    • Patent number 6,532,890
    • Issue date Mar 18, 2003
    • Ad-II Engineering Inc.
    • Chieh-Yuan Chen
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    REAR DERAILLEUR
    • Publication number 20230399076
    • Publication date Dec 14, 2023
    • AD-II ENGINEERING INC.
    • CHIEN-HAO SU
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE OPERATING DEVICE
    • Publication number 20230242215
    • Publication date Aug 3, 2023
    • AD-II ENGINEERING INC.
    • CHUNG-REN CHANG
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE FRONT DERAILLEUR
    • Publication number 20230234674
    • Publication date Jul 27, 2023
    • AD-II ENGINEERING INC.
    • KAI-HUNG HU
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE REAR DERAILLEUR
    • Publication number 20190144072
    • Publication date May 16, 2019
    • AD-II ENGINEERING INC.
    • CHIEN-HAO SU
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    EASY-ADJUSTMENT BICYCLE GEAR-SHIFTING SYSTEM
    • Publication number 20180304966
    • Publication date Oct 25, 2018
    • AD-II ENGINEERING INC.
    • Chi-Ming CHIEN
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    CLUTCH UNIT OF BICYCLE DERAILLEUR
    • Publication number 20170343063
    • Publication date Nov 30, 2017
    • AD-II ENGINEERING INC.
    • Kuei-Jung CHAN
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE CONTROL DEVICE
    • Publication number 20160152299
    • Publication date Jun 2, 2016
    • AD-II ENGINEERING INC.
    • Hsueh-Chih MU
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE CONTROL DEVICE
    • Publication number 20140190303
    • Publication date Jul 10, 2014
    • AD-II ENGINEERING INC.
    • Hsueh-Chih MU
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SHIFT CONTROL DEVICE FOR BICYCLE
    • Publication number 20130098196
    • Publication date Apr 25, 2013
    • AD-II ENGINEERING INC.
    • Chieh-Yuan CHEN
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Shift control device for bicycle
    • Publication number 20070245847
    • Publication date Oct 25, 2007
    • AD-II ENGINEERING INC.
    • Chien-Yuan Chen
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Trademarklast 30 trademarks

  • Information Trademark

    98531560 - MEZZO
    • Serial number 98531560
    • Filing date May 2, 2024
    • AD-II ENGINEERING INC.
    • 12 - Vehicles
  • Information Trademark

    98438211 - ESTES
    • Serial number 98438211
    • Filing date Mar 7, 2024
    • AD-II ENGINEERING INC.
    • 12 - Vehicles
  • Information Trademark

    97572837 - ACOLYTE
    • Serial number 97572837
    • Registration number 7274165
    • Filing date Aug 31, 2022
    • AD-II ENGINEERING INC.
    • 12 - Vehicles
  • Information Trademark

    97572839 - SWORD
    • Serial number 97572839
    • Filing date Aug 31, 2022
    • AD-II ENGINEERING INC.
    • 12 - Vehicles
  • Information Trademark

    88136494 - ADVENT
    • Serial number 88136494
    • Registration number 5745275
    • Filing date Sep 28, 2018
    • AD-II ENGINEERING INC.
    • 12 - Vehicles