Patents by Inventor James M. Sypniewski

James M. Sypniewski 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).

  • Traction system utilizing pump back based ABS system
    Patent number: 4838620
    Abstract: The present invention relates to systems for controlling wheel spin in a motor vehicle such as an automobile, and in particular to such a system which includes a pump-back adaptive braking system and a traction control system which utilize a common pump and wheel cylinder pressure modulating valves.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: June 13, 1989
    Assignee: Allied-Signal Inc.
    Inventor: James M. Sypniewski
  • Power braking system with reduced pedal travel
    Patent number: 4718737
    Abstract: The invention is an improved anti-lock braking system in which the conventional brake switch operable in response to movement of the brake pedal is utilized by the electronic control of the anti-lock brake system to generate a control signal. The isolation and build valves of one hydraulic circuit are energized in response to the control signal to connect a wheel cylinder to the booster of the braking system.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: January 12, 1988
    Assignee: Allied Corporation
    Inventors: Lloyd G. Bach, James M. Sypniewski