Patents by Inventor Philip J. Redl

Philip J. Redl 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).

  • Fire guarded blowout preventer hose
    Patent number: 4367889
    Abstract: Fireproof blowout preventer hose for oil well drilling rigs has a layer of fireproof material provided over the coupling in the hose and retained therein by non-combustible rigid outer shell.
    Type: Grant
    Filed: December 30, 1980
    Date of Patent: January 11, 1983
    Inventor: Philip J. Redl