Patents by Inventor Roger W. Dohrmann

Roger W. Dohrmann 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).

  • Forage preservative applicator system
    Publication number: 20030006312
    Abstract: A forage preservative applicator system for efficiently and accurately providing forage preservatives to forage during harvesting. The forage preservative applicator system includes a support base, a reservoir positionable upon the support base for storing a volume of biological solution, a valve fluidly connected to the reservoir, a pump fluidly connected to the valve, and a dispensing tube fluidly connected to the pump for dispensing the biological solution into the forage being harvested. A flush container is preferably attached to the reservoir and fluidly connected to the valve for allowing flushing of the dispensing tube. At least one ice pack is preferably utilized within the reservoir for maintaining the temperature of a biological solution at the desired temperature for extending the useful life of the biological solution.
    Type: Application
    Filed: June 20, 2002
    Publication date: January 9, 2003
    Inventors: Roger W. Dohrmann, Dan R. Dohrmann
  • Forage preservative applicator system
    Patent number: 6443369
    Abstract: A forage preservative applicator system for efficiently and accurately providing forage preservatives to forage during harvesting. The forage preservative applicator system includes a support base, a reservoir positionable upon the support base for storing a volume of biological solution, a valve fluidly connected to the reservoir, a pump fluidly connected to the valve, and a dispensing tube fluidly connected to the pump for dispensing the biological solution into the forage being harvested. A flush container is preferably attached to the reservoir and fluidly connected to the valve for allowing flushing of the dispensing tube. At least one ice pack is preferably utilized within the reservoir for maintaining the temperature of a biological solution at the desired temperature for extending the useful life of the biological solution.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: September 3, 2002
    Inventors: Roger W. Dohrmann, Dan R. Dohrmann