Patents by Inventor Udo Frohlingsdorf

Udo Frohlingsdorf 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).

  • Apparatus for automatically positioning a receptacle pickup arm
    Patent number: 5762461
    Abstract: An apparatus for picking up a trash receptacle has at least two metallic and spaced apart guide elements on the receptacle, a pickup arm having a head, and at least two respective sensors on the head alignable with the guide elements for electrically detecting the guide elements and for generating an electrical output indicating their proximity. A computer is connected to the arm and to the sensors for positioning the head relative to the receptacle in accordance with the outputs of the sensors.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: June 9, 1998
    Assignee: Gebr. Otto KG
    Inventor: Udo Frohlingsdorf