Patents by Inventor Hung Ying-Feng

Hung Ying-Feng 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: 6062788
    Abstract: A nail having a nail head with a top surface having a plurality of protuberances formed thereon, a nail body extending from a bottom surface of the nail head, a nail tip formed at an end of the nail body opposite the nail head, and a ring portion formed between the nail head and the nail body. The ring portion has a plurality of indentations formed thereon so as to allow separation of the nail head from the nail body upon a twisting force applied to the plurality of protuberances. The nail tip has a plurality of sliced sections formed thereon. The sliced sections have differing surface areas. The sliced sections have a generally diamond-shaped configuration. A plurality of slanting ribs extend along a length of the nail body at an acute angle relative to a longitudinal axis of the nail body.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: May 16, 2000
    Assignee: Yeun Chang Hardware Tool Co., Ltd.
    Inventor: Hung Ying-Feng