Patents by Inventor Wu Hsien Tsai

Wu Hsien Tsai 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).

  • INTERCHANGEABLE CUTLERY SYSTEM
    Publication number: 20220388187
    Abstract: An interchangeable cutlery system has a blade handle incorporating a quick-change blade mechanism. A selected one of a plurality of blades can be removably attached to the handle via the mechanism. The plurality of blades include a filet knife blade, a back-serrated fillet knife blade, a clip point knife blade, a gut hook knife blade, a saw blade, a fish scaler, and a large bush craft blade.
    Type: Application
    Filed: May 16, 2022
    Publication date: December 8, 2022
    Inventor: Wu Hsien Tsai
  • Interchangeable cutlery system
    Patent number: 11370132
    Abstract: An interchangeable cutlery system has a blade handle incorporating a quick-change blade mechanism. A selected one of a plurality of blades can be removably attached to the handle via the mechanism. The plurality of blades include a filet knife blade, a back-serrated fillet knife blade, a clip point knife blade, a gut hook knife blade, a saw blade, a fish scaler, and a large bush craft blade.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: June 28, 2022
    Assignees: Havel's, LLC, Gigand Company, LTD
    Inventor: Wu Hsien Tsai
  • INTERCHANGEABLE CUTLERY SYSTEM
    Publication number: 20190210232
    Abstract: An interchangeable cutlery system comprises a blade handle incorporating a quick-change blade mechanism, and a plurality of blades removably attachable to the handle via the mechanism, wherein the plurality of blades are selected from a group consisting of a filet knife blade, a back-serrated fillet knife blade, a clip point knife blade, a gut hook knife blade, a saw blade, a fish scaler, a large bush craft blade, and multiple lengths thereof.
    Type: Application
    Filed: January 10, 2019
    Publication date: July 11, 2019
    Applicant: Havel's Inc.
    Inventor: Wu Hsien Tsai
  • Knife handle
    Patent number: D847938
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: May 7, 2019
    Assignee: Havel's Inc.
    Inventor: Wu Hsien Tsai