Patents by Inventor Wolfgang Dittberner

Wolfgang Dittberner 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).

  • Braking systems
    Patent number: 4068899
    Abstract: Braking system, primarily for wheeled excavators, having a first hydropneumatic brake acting on all wheels and a second auxiliary brake acting on the transmission, a first actuating device to operate the first brake when driving on the road and a second actuating device to operate first and second brakes when the excavator is stationary and working on site, the second actuating device being arranged so that on its operation both brakes are applied simultaneously.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: January 17, 1978
    Assignee: Massey-Ferguson Services N.V.
    Inventors: Gert Nolte, Wolfgang Dittberner