Patents by Inventor Wu Ping

Wu Ping 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: 4342902
    Abstract: A cigarette case including a row of tubular sockets in which cigarettes are fitted, an electric circuit inside the case including a spiral heating coil positioned adjacent one end of each cigarette, the coil being mounted on a slide block having an externally extending push button which when pushed, pushes the cigarette end outwardly of an edge of the case, and at a same time slides the contacts of the coil into engagement with stationary contacts connected to dry cell batteries, so to heat the coil and thus ignite the cigarette as it is being pushed outwardly from the case.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: August 3, 1982
    Inventor: Wu Ping