Patents by Inventor Ken Herrmann

Ken Herrmann 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).

  • Patent number: 9936632
    Abstract: A dry chemical delivery tube and its surrounding nutrient applicator system are located in a narrow space in a soil working implement in an agricultural setting. Between an inlet end and an outlet end, the chemical delivery tube transitions from a circular cross section to an oval cross section. In one embodiment, the soil working implement includes soil opening/closing disks and liquid or gaseous delivery tubes that closely surround the chemical delivery tube.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: April 10, 2018
    Assignee: DEERE & COMPANY
    Inventors: Daniel P. Bruns, Ken Herrmann
  • Publication number: 20160066500
    Abstract: A dry chemical delivery tube and its surrounding nutrient applicator system are located in a narrow space in a soil working implement in an agricultural setting. Between an inlet end and an outlet end, the chemical delivery tube transitions from a circular cross section to an oval cross section. In one embodiment, the soil working implement includes soil opening/closing disks and liquid or gaseous delivery tubes that closely surround the chemical delivery tube.
    Type: Application
    Filed: February 9, 2015
    Publication date: March 10, 2016
    Inventors: Daniel P. Bruns, Ken Herrmann