Patents by Inventor Heckelman, James D.

Heckelman, James D. 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).

  • Compartment locking means and thermal actuator therefor
    Patent number: 4319659
    Abstract: A fluid pressure motor having a normally used internal electrical heating element which vaporizes internal fluid to actuate the motor. The motor further includes means in heat transfer proximity to the outside of the motor which can be caused to convert its stored energy to sufficient heat to actuate the motor.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: March 16, 1982
    Inventors: Heckelman, James D., William P. Hickey