Patents by Inventor Huoy-Shyi Tsay

Huoy-Shyi Tsay 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).

  • Patent number: 5774900
    Abstract: An industrial safety helmet comprises a shell of a semioval shape, a crad and a chin strap. The shell has one or more flexures capable of strengthening the shell and of promoting air circulation of the shell. The flexures are provided respectively at the front end thereof with an air inlet while at least one of the flexures is provided at the rear end thereof with an air outlet. The cradle has an energy-absorbing mechanism. The chin strap is provided with a detachable adhesive buckling mechanism.
    Type: Grant
    Filed: June 24, 1996
    Date of Patent: July 7, 1998
    Assignee: Institute of Occupational Safety and Health, Council of Labor Affairs
    Inventors: Shih-Hsiung Wu, Chung-Yun Gau, Yeh-Liang Hsu, Huoy-Shyi Tsay