Patents by Inventor Christoph Kleinknecht

Christoph Kleinknecht 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).

  • Seed planting device and seed drill using such devices
    Patent number: 6499413
    Abstract: A device for planting seeds in the ground having an inlet orifice via which an airstream transporting seeds arrives, an outlet orifice via which the seeds are planted in the ground and a separating device. The separating device includes a grating which lies substantially in the continuation of the airstream and seed inlet orifice so that a maximum of the air escapes through this grating and the seeds are held back.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: December 31, 2002
    Assignee: Kuhn S.A.
    Inventors: Christoph Kleinknecht, Joachim Muller, Jean Klein
  • Seed planting device and seed drill using such devices
    Publication number: 20020043199
    Abstract: The present invention relates to a device for planting seeds in the ground, comprising an inlet orifice via which an airstream transporting seeds arrives, an outlet orifice via which said seeds are planted in the ground and a device for separating said seeds from the airstream that transports them.
    Type: Application
    Filed: March 21, 2001
    Publication date: April 18, 2002
    Applicant: KUHN S.A.
    Inventors: Christoph Kleinknecht, Joachim Muller, Jean Klein