Patents by Inventor Jerome N. Herrick

Jerome N. Herrick 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).

  • Torque wrench
    Patent number: 4541309
    Abstract: A power torque wrench operated by pulling a flexible tension element tangentially from a drum which is connected through ratchet means to a coaxial driver and having a second tension element wrapped around the drum in the opposite direction so that the work stroke of the motor winds the second tension element around the drum and the return stroke of the motor winds the first tension element around the drum.
    Type: Grant
    Filed: January 13, 1984
    Date of Patent: September 17, 1985
    Inventor: Jerome N. Herrick