Patents by Inventor Christopher A. Trapkus

Christopher A. Trapkus 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: 8698695
    Abstract: An antenna system for use in an agricultural field or work area comprises a base having an upper side and a lower side opposite the upper side. A stake extends from the lower side. The stake is capable of mounting into the ground. A spring extends from the upper side of the base. A mast above the base is movably, resiliently mounted to the base by the spring. A lateral dielectric guard is mounted at or the near a top of the mast. An antenna is associated with the top of the mast, the antenna coupled to a transmission line that is secured to or by the mast.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: April 15, 2014
    Assignee: Deere & Company
    Inventors: Jan M. Wyckoff, Vickie L. Ellis, Christopher A. Trapkus
  • Publication number: 20130027265
    Abstract: An antenna system for use in an agricultural field or work area comprises a base having an upper side and a lower side opposite the upper side. A stake extends from the lower side. The stake is capable of mounting into the ground. A spring extends from the upper side of the base. A mast above the base is movably, resiliently mounted to the base by the spring. A lateral dielectric guard is mounted at or the near a top of the mast. An antenna is associated with the top of the mast, the antenna coupled to a transmission line that is secured to or by the mast.
    Type: Application
    Filed: July 28, 2011
    Publication date: January 31, 2013
    Inventors: Jan M. Wyckoff, Vickie L. Ellis, Christopher A. Trapkus