Patents by Inventor Roy C. Laible

Roy C. Laible 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: 4099726
    Abstract: Method for preventing the escape of liquid nitrogen and nitrogen gas from an apparatus for treating materials with high energy ionizing radiation while the materials are being maintained at temperatures below about -40.degree. C. with liquid nitrogen comprising using a packing made of filaments of poly (p-phenylene terephthalamide) at the joints in the liquid nitrogen conduit.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: July 11, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Roy C. Laible, Ari Brynjolfsson