Patents by Inventor Kestutis Biskis

Kestutis Biskis 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).

  • Variable flow rate control with mechanical override for closed center valve
    Patent number: 4213300
    Abstract: An agricultural tractor is provided with a hitch and draft control system hydraulically related to a plurality of other hydraulic functions. The hydraulic fluid distribution is preferenced by a priority valve including a variable orifice in series with the hitch and draft control system. The variable orifice acts as a raise rate control device and also as a controlling member for a load sensing variable displacement pump.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: July 22, 1980
    Assignee: International Harvester Company
    Inventor: Kestutis Biskis