Patents by Inventor Jonathan Feng

Jonathan 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: 6668460
    Abstract: The present invention relates to a corrosion resistant lock blade knife with a blade made of titanium. The blade is mounted in the handle along with a locking arm made of a substance that is also corrosion resistant. During opening and closing the tang contact edge rubs against the locking arm head. At least one of these surfaces is composed of a corrosion-resistant non-metal or a corrosion-resistant soft metal substance to prevent the gripping and binding effects and excessive that would occur at the contact surface during opening and closing of the knife.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: December 30, 2003
    Inventor: Jonathan Feng
  • Publication number: 20030131478
    Abstract: The present invention relates to a corrosion resistant lock blade knife with a blade made of titanium. The blade is mounted in the handle along with a locking arm made of a substance that is also corrosion resistant. During opening and closing the tang contact edge rubs against the locking arm head. At least one of these surfaces is composed of a corrosion-resistant non-metal or a corrosion-resistant soft metal substance to prevent the gripping and binding effects and excessive that would occur at the contact surface during opening and closing of the knife.
    Type: Application
    Filed: January 17, 2002
    Publication date: July 17, 2003
    Inventor: Jonathan Feng