Patents by Inventor Hartmut Kemmner

Hartmut Kemmner 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).

  • Publication number: 20170290263
    Abstract: An apparatus for processing harvested crops, in particular a threshing and/or separating apparatus, comprising a rotor which is mounted rotatably about its longitudinal axis, a separating device with a separating device region which at least partially surrounds a lower circumferential region of the rotor, the circumferential region being arranged below the longitudinal axis in an operationally ready state of the apparatus, and is arranged radially spaced apart from the rotor. A passage region for the harvested crop is formed between the separating device regions and the lower circumferential region of the rotor, wherein the separating device region extends along the longitudinal axis, and comprises at least one control element. The control element is movable into the passage region and/or into an axial projection of the passage, in order to control the flow of harvested crop.
    Type: Application
    Filed: October 2, 2015
    Publication date: October 12, 2017
    Inventor: Hartmut KEMMNER
  • Patent number: 5158411
    Abstract: An improved device for planting seed in the soil, a sowing machine and combined machine for preparing a seedbed and for sowing using the device. According to the invention, an outside part of active part of a tool is provided which includes a carrying element whose outside edge is directed essentially crosswise to the direction of advance during working operation.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: October 27, 1992
    Assignee: Kuhn S.A.
    Inventor: Hartmut Kemmner