Patents by Inventor Roger G. Slabaugh

Roger G. Slabaugh 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).

  • Hydraulic reservoir
    Patent number: 4529512
    Abstract: A hydraulic system including a closed reservoir which is pressurized at a varying pressure that is responsive to a variable condition of the system. The system minimizes the air contained in the hydraulic fluid, causing air which has been released from the hydraulic fluid to collect in the reservoir which has provision for releasing it to the atmosphere.
    Type: Grant
    Filed: October 29, 1982
    Date of Patent: July 16, 1985
    Assignee: Clark Equipment Company
    Inventors: William H. Williamson, Roger G. Slabaugh