Patents by Inventor Leonard Roy Rubin

Leonard Roy Rubin 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).

  • Patent number: 4056373
    Abstract: A hydrogen-purification filter has a closed chamber with a pure-hydrogen outlet. A coil made of thin palladium-alloy tubing is contained in this chamber and has an inlet end and an outlet end accessible from outside the chamber. This coil is of D-section so that in case a leak forms the turn of the coil containing the leak can be excised by cutting at the straight sections on both sides of the leak and the remaining coil rejoined at the straight sections.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: November 1, 1977
    Assignee: Resource Systems, Inc.
    Inventor: Leonard Roy Rubin