Patents by Inventor Ralph Patrick McCabe

Ralph Patrick McCabe 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).

  • Fail safe device
    Patent number: 3936379
    Abstract: A housing having a chamber has an inlet and an outlet for directing therethrough a fluid under pressure to an associated fluid pressure responsive apparatus; a filter situated generally in the path of flow of such fluid becomes effective after it experiences a degree of clogging by dirt to open an additional outlet as to thereby enable such fluid under pressure to be directed to the fluid pressure responsive apparatus through such additional outlet.
    Type: Grant
    Filed: August 12, 1974
    Date of Patent: February 3, 1976
    Assignee: Colt Industries Operating Corporation
    Inventor: Ralph Patrick McCabe