Patents by Inventor Erich Ditzer

Erich Ditzer 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).

  • Abutment force adjustable windshield wiper arrangement
    Patent number: 4797601
    Abstract: A wiper arrangement for motor vehicles with a wiper arm that rests on the surface to be cleaned with an abutment force dependent on the vehicle velocity; the wiper arm thereby rests on the surface to be cleaned during non-wiper operation with a decreased abutment force compared to wiper operation and during a washing operation with an increased abutment force compared to wiper operation.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: January 10, 1989
    Assignee: Bayerische Motoren Werke AG
    Inventors: Erich Ditzer, Ludwig Hasenknopf
  • Circuit arrangement for a window-cleaning installation of motor vehicles
    Patent number: 4282445
    Abstract: A circuit arrangement for a windshield cleaning installation of motor vehicles with a switch which, in one engaging position, connects a program transmitter for one function by way of a control line with one terminal of the power supply and which, in a second engaging position, connects the program transmitter for another function by way of the same control line with the other power supply terminal; the program transmitter is equipped with switching devices for realizing the various functions corresponding to the potential applied to the control line.
    Type: Grant
    Filed: September 19, 1978
    Date of Patent: August 4, 1981
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Erich Ditzer