Patents by Inventor Eugene H. Blake

Eugene H. Blake 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).

  • Chain elongation gauge
    Patent number: 4092781
    Abstract: An apparatus for measuring the elongation of chains due to joint wear. The chain under test is tensioned between two arms associated with two nested tubular elements housing a compressed coil spring.A cylindrical indicator having a helicoidal scale cooperate with the two tubular elements to allow a direct reading of the percentage of elongation of the chain in relation to the length of a reference chain.
    Type: Grant
    Filed: April 1, 1977
    Date of Patent: June 6, 1978
    Inventor: Eugene H. Blake