Patents by Inventor Sten E. O. Andersson

Sten E. O. Andersson 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).

  • Drain valve, preferably for a vehicle brake system
    Patent number: 4457337
    Abstract: A vehicle brake system drain valve comprises a housing (1-4), a solenoid therein and a valve element (15) movable between two seats (12, 13) in the valve.A neck (4), which is a part of the housing, is conditionally rotatable relative to the remainder of the housing and has a ventilating channel (20) leading to the atmosphere if not covered by a sealing ring (18).
    Type: Grant
    Filed: March 23, 1982
    Date of Patent: July 3, 1984
    Assignee: SAB Automotive AB
    Inventors: Sten E. O. Andersson, Nils A. Nelander