Patents by Inventor Paul C. Tsay

Paul C. 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: 7252216
    Abstract: A food wrap cutter includes a base body disposed under a slot on the front wall of a main body, a guiding element with elastic moving function disposed on the base body, and a guiding wedge of the two guiding elements coupled to a cam slot at a lower panel. Thus, when the guiding element is pressed, the lower panel is lifted by the action of the guiding element on the cam groove such that the upper edge of the lower panel is higher than the upper edge of the cutter; and the guiding element drives the upper panel to lift and separate the upper and lower panels in order to protect a user's hand from being cut or scratched while pulling out the food wrap.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: August 7, 2007
    Inventors: Chang San Lin, Paul C. Tsay
  • Publication number: 20040194601
    Abstract: A food wrap cutter comprises a base body disposed under a slot on the front wall of a main body, a guiding element with elastic moving function each disposed on both ends of the base body, and a guiding wedge of the two guiding elements coupled to a cam slot at a lower panel; the base body is fixed to a cutter having a plurality of sawteeth, and the sawteeth of the cutter have different heights to facilitate the tearing of the food wrap without tangling; an upper panel is disposed on the front wall of the main body, and both of the upper and lower panels jointly constitute the space for letting the food wrap pass; when the guiding element is pressed, the lower panel is lifted by the action of the guiding element on the cam groove such that the upper edge of the lower panel is higher than the upper edge of the cutter; the guiding element drives the upper panel to lift and separate the upper and lower panels in order to protect user hand from being cut or scratched while pulling out the food wrap; when opening
    Type: Application
    Filed: April 5, 2004
    Publication date: October 7, 2004
    Inventors: Chang San Lin, Paul C. Tsay