Patents by Inventor Wayne Roston

Wayne Roston 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).

  • Heat conservation system for greenhouses
    Patent number: 4305235
    Abstract: A greenhouse structure (No. 1 or No. 2) having a curved roof wall formed of two spaced-apart plastic layers (30 and 34) with troughs (32) at the lower sides thereof, and a circulation system including blowers (42,42') connecting the top of the wall and the ends of the troughs to an insulation storage receptacle (A) by means of ducts (38, 39, 40, 41, 43 and 44), whereby the roof wall chamber is selectively filled and emptied.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: December 15, 1981
    Inventor: Wayne Roston