Patents by Inventor Andy Sheng

Andy Sheng 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: 5947715
    Abstract: A safety lighter includes a fuel tank capped by a cover seat which has a fuel releasable valve communicated therethrough, a fuel lever mounted on said cover seat for operating a fuel pipe provided by the fuel releasable valve, and a flint wheel assembly adjacent the fuel lever having a flint wheel for producing spark. The cover seat has a recess subjacent the depressable platform. A blocking projection is protruded on the depressable platform underside. A catch handle comprises an insert leg vertically received in the recess and a handle extended horizontally subjacent the depressable platform of the fuel lever. The handle has a perforation into which the projection on the depressable platform is allowed to pass through.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: September 7, 1999
    Inventors: Andy Sheng, Betty Sheng
  • Patent number: 5836755
    Abstract: A lockable lighter includes a fuel tank capped by a cover seat which has a fuel releasable valve communicated therethrough, a fuel lever mounted on said cover seat for operating a fuel pipe provided by the fuel releasable valve, and a flint wheel assembly adjacent the fuel lever having a flint wheel for producing spark. The cover seat has a recess subjacent the depressable platform. A blocking projection is protruded on the depressable platform underside. A catch handle comprises an insert leg vertically received in the recess and a handle extended horizontally subjacent the depressable platform of the fuel lever. The handle has a perforation into which the projection on the depressable platform is allowed to pass through.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: November 17, 1998
    Inventors: Andy Sheng, Betty Sheng