Patents by Inventor Alfred E. Hiller

Alfred E. Hiller 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).

  • Process for applying a heat-shrinkable material over sulfur well piping
    Patent number: 4671833
    Abstract: A process for placing heat-shrinkable polyfluoroolefin polymer sleeves, preferably, FEP resin or PFA resin, over Frasch sulfur well piping and other downhole well piping to protect such piping from corrosion.A heat chamber for heat-shrinking the polyfluoroolefin polymer sleeves onto the piping.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: June 9, 1987
    Assignee: Freeport Minerals Company
    Inventors: Randol W. Bradford, Alfred E. Hiller, Burnham F. Winters, Jr.