Patents by Inventor Ronald J. Schreiber

Ronald J. Schreiber 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).

  • Water pipes or bongs
    Patent number: 4253475
    Abstract: An improved water pipe or bong wherein the water that is used to filter and cool the smoke is caused to flush up the inhalation tube, thus pushing the smoke into the smoker's lungs. To enhance the flushing effect a water trap is employed to stop the water suddenly and the combustion bowl can be sealed off from the rest of the pipe.
    Type: Grant
    Filed: October 12, 1977
    Date of Patent: March 3, 1981
    Inventors: Ronald J. Schreiber, Batya R. G. Schreiber