Patents by Inventor Richard M. Neysinck

Richard M. Neysinck 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).

  • Closed granular chemical handling system
    Patent number: 5379812
    Abstract: A closed granular chemical handling system comprising a dispensing valve and a receiving valve. The dispensing valve and the receiving valve are automatically opened when the valves are coupled together, and are automatically closed when the valves are uncoupled from one another. The valves are configured so that the receiving valve always is the first to open and the last to close. The valves are driven together by a camming structure having a neutral portion that acts as a delay between the opening and closing of both valves so as to allow granular material to flow from between the valves through the receiving valve.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: January 10, 1995
    Assignees: Deere & Company, American Cyanamid
    Inventors: Myron L. McCunn, Donald K. Landphair, Richard M. Neysinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown, Jeffrey A. Hoffman, Frank D. Tenne, Patrick D. Holverson, Keith Woodruff