Patents by Inventor James E. Heggestuen

James E. Heggestuen 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).

  • Smoking device
    Patent number: 4044781
    Abstract: A smoker's accessory comprising a water pipe having an inhalation chamber and a bowl assembly connected thereto and including a hopper for herb to be smoked and a manually operated valve and bowl cavity member for dispensing a measured quantity of herb to the bowl cavity, and displacing the latter between a first, lighting position in which air to the inhalation chamber is drawn from the bowl cavity, and a second position in which air to the inhalation chamber is drawn directly from the atmosphere.
    Type: Grant
    Filed: April 7, 1976
    Date of Patent: August 30, 1977
    Inventor: James E. Heggestuen