Patents by Inventor Waldemar Mialkowski

Waldemar Mialkowski 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).

  • Solenoid operated discharging orifice shutoff valve
    Patent number: 5529387
    Abstract: A solenoid actuated valve of an in-line construction having an inlet and outlet between which are located the valve's operating components including a piston with a hollow head which engages a seat for sealing the valve's main flow path. The piston head has a discharging orifice which is sealed by the pilot pin of a solenoid operated popper and a charging orifice through which high pressure fluid from the valve inlet is supplied. The poppet has flow passages downstream of the piston seat which communicate with the valve outlet.
    Type: Grant
    Filed: September 6, 1994
    Date of Patent: June 25, 1996
    Assignee: Valcor Engineering Corporation
    Inventor: Waldemar Mialkowski