Patents by Inventor Herman Marshall Force

Herman Marshall Force 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).

  • Retrofit air distribution apparatus for a locomotive braking system
    Patent number: 5813730
    Abstract: An air distribution apparatus (10) configured to retrofit with an existing air brake valve (18) of a locomotive braking system (12) to act as an interface with an electronic braking control device (14). The air distribution apparatus (10) includes a distribution body (56) configured for connection between the relay valve (28) and pipe bracket (30) portions of the brake valve (18), a plurality of passageways (58,60,62,64,66 and 68) formed in the distribution body (56) for delivering air between the brake valve (18) and the other components of the locomotive braking system (12), and a plurality of solenoid valves (70,72 and 74) electrically coupled with the electronic control device (14) and positioned in the passageways (62,66 and 68) for controlling the air flow through the passageways for permitting electronic control of the brake valve (18) utilizing feedback from pressure sensors (76,78) for safety and decision-making purposes.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: September 29, 1998
    Assignee: Technical Services and Marketing, Inc.
    Inventor: Herman Marshall Force