Patents Assigned to Sienna Group Corporation
  • Bike auxiliary handle fixing structure
    Patent number: 8359713
    Abstract: A bike auxiliary handle fixing structure includes a main handle, an auxiliary handle fixing device and locking members. The auxiliary handle fixing device includes an auxiliary handle fixing seat and an auxiliary handle fixing unit. The auxiliary handle fixing unit is hidden in the inner bottom of an auxiliary handle fixing passage in the auxiliary handle fixing seat. The locking members are inserted from the bottom of the main handle and locked to the auxiliary handle fixing seat to secure an auxiliary handle together.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: January 29, 2013
    Assignee: Sienna Group Corporation
    Inventor: Ming-Chou Chen
  • Water bottle
    Patent number: D739177
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: September 22, 2015
    Assignee: SIENNA GROUP CORPORATION
    Inventor: Chen-Kuei Wu
  • Water bottle
    Patent number: D739178
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: September 22, 2015
    Assignee: SIENNA GROUP CORPORATION
    Inventor: Chen-Kuei Wu
  • Water bottle
    Patent number: D739179
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: September 22, 2015
    Assignee: SIENNA GROUP CORPORATION
    Inventor: Chen-Kuei Wu
  • Retaining piece for drinking bottle
    Patent number: D751391
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: March 15, 2016
    Assignee: SIENNA GROUP CORPORATION
    Inventor: Chen-Kuei Wu
  • Retaining piece for drinking bottle
    Patent number: D751392
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: March 15, 2016
    Assignee: SIENNA GROUP CORPORATION
    Inventor: Chen-Kuei Wu
  • Stopwatch seat
    Patent number: D756469
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: May 17, 2016
    Assignee: SIENNA GROUP CORPORATION
    Inventor: Chen-Kuei Wu
  • Storage tray for bicycle
    Patent number: D763372
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: August 9, 2016
    Assignee: SIENNA GROUP CORPORATION
    Inventor: Chen-Kuei Wu
  • Bottle cage connection seat
    Patent number: D778147
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: February 7, 2017
    Assignee: SIENNA GROUP CORPORATION
    Inventor: Yao-Ching Huang