Patents by Inventor Robert C. Martel

Robert C. Martel 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).

  • Safety enclosure for gas line fittings
    Patent number: 5092631
    Abstract: A safety enclosure for gas line fittings is disclosed. The enclosure comprises a generally cylindrical housing formed to easily enclose and identify fittings on gas lines containing dangerous or toxic gases. The enclosures identify the potentially dangerous fittings and prevent opening of the fittings while the enclosure is in place.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: March 3, 1992
    Assignee: Digital Equipment Corporation
    Inventors: Matthew G. M. Masnik, Robert C. Martel