Patents by Inventor Alwain Stegmaier

Alwain Stegmaier 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).

  • Pressure controller
    Patent number: 4535816
    Abstract: A pressure controller has a magnetic coil and a magnetic armature arranged in a housing, a control piston movable in a distributor housing and actuatable by the armature, and a shaft supporting the armature and having two ends facing towards and away from the control piston, where the end facing away from the control piston is slidingly supported in a bearing bush, and the end facing towards the control piston is held by a membrane spring fixed at its periphery to the first-mentioned housing.
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: August 20, 1985
    Assignee: Robert Bosch GmbH
    Inventors: Meinrad Feder, Alwain Stegmaier