Patents by Inventor Tangwen Xu

Tangwen Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Percussion massager attachment
    Patent number: D627897
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: November 23, 2010
    Assignee: Wahl Clipper Corporation
    Inventors: Steve Yde, Chad Aulwes, Jenny McLaughlin, Tangwen Xu, Jianguang Wang
  • Hair cutting device housing
    Patent number: D751759
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: March 15, 2016
    Assignee: Wahl Clipper Corporation
    Inventors: Chad Aulwes, Christian Zachrich, Jeffery K. Bovee, Tangwen Xu, Chunhou Lei
  • Hair cutting device housing
    Patent number: D757364
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 24, 2016
    Assignee: WAHL CLIPPER CORPORATION
    Inventors: Chad Aulwes, Christian Zachrich, Jeffery K. Bovee, Tangwen Xu, Chunhou Lei
  • Attachment comb for hair cutting appliance
    Patent number: D965897
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: October 4, 2022
    Assignee: WAHL CLIPPER CORPORATION
    Inventors: Yingchang Ma, Chao Yang, Tangwen Xu, Chenglu Huang, George William Gassman, Chad Aulwes
  • Attachment comb for hair cutting appliance
    Patent number: D965898
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: October 4, 2022
    Assignee: WAHL CLIPPER CORPORATION
    Inventors: Yingchang Ma, Chao Yang, Tangwen Xu, Chenglu Huang, George William Gassman, Chad Aulwes
  • Hair clipper
    Patent number: D968024
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: October 25, 2022
    Assignee: WAHL CLIPPER CORPORATION
    Inventors: Zhenfeng Qiu, Tangwen Xu, Qing Wang
  • Shaver
    Patent number: D968025
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: October 25, 2022
    Assignee: WAHL CLIPPER CORPORATION
    Inventors: Christian Zachrich, Chad Aulwes, Jeff Fleming, Chao Yang, Tangwen Xu, Qing Wang