Patents by Inventor Michael Obser

Michael Obser 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).

  • Two-stage gas valve
    Patent number: 5816560
    Abstract: A gas valve actuator for a gas powered burner having a housing (1), an actuator (6) with plunger (7) matched to a solenoid coil (9) with a close-off spring (10) for the actuator and a current source for generating two control currents of different magnitude.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: October 6, 1998
    Assignee: Johnson Controls Technology Company
    Inventor: Michael Obser