Patents by Inventor Allen L. Filo

Allen L. Filo 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).

  • Electro-hydraulic controls for brake type traction control system
    Patent number: 5593215
    Abstract: A hydraulic control system far providing a hydraulic control pressure for operating the brake system of a brake type traction control system for a vehicle develops the control pressure between a pair of orifices in conjunction with a pulse width modulated hydraulic control valve.
    Type: Grant
    Filed: March 26, 1996
    Date of Patent: January 14, 1997
    Assignee: Fluid Power Industries, Inc.
    Inventors: Feng-Rong Shaw, Allen L. Filo
  • Electromagnetic interface for a liquid control valve
    Patent number: 5516076
    Abstract: The magnetic interface between the housing and armature of a poppet type electromagnetically actuated fluid control valve creates a magnetic flux path through opposing axially and radially facing surfaces of the housing and armature to reduce the pull-in voltage of the valve at large axial gaps between the armature and housing.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: May 14, 1996
    Assignee: Applied Power Inc.
    Inventors: Thomas J. Stobbs, Gerald L. Depies, Allen L. Filo, Daniel J. Lambert