Patents by Inventor John Stearns

John Stearns 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).

  • Method and system for propane extraction and reclamation
    Patent number: 7721557
    Abstract: A method and system are provided for extracting propane vapors from a propane storage tank, and condensing the extracted vapors to form a useable liquid propane product.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: May 25, 2010
    Inventor: John Stearns