Patents by Inventor Olaf Bauernfeind

Olaf Bauernfeind 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).

  • Patent number: 4321579
    Abstract: A circuit arrangement for testing operating functions in motor vehicles by means of parallel circuits which contain at least one switching element conductive during a normal operating function and one control lamp and which are adapted to be closed by a test switch, and with one transmitter each coordinated to the operating functions which automatically triggers a warning indication with abnormal operating functions; at least one warning lamp for the warning indication which is independent of the control lamps is thereby provided in the circuit arrangement.
    Type: Grant
    Filed: January 16, 1979
    Date of Patent: March 23, 1982
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Franz Jochmann, Helmut Fischer, Wolfgang Dietz, Olaf Bauernfeind