Patents by Inventor Eugene E. Van Bruggen

Eugene E. Van Bruggen 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).

  • Metered feed valve
    Patent number: 5803118
    Abstract: A valve device adapted to meter the amount of any specific type of particulate matter--particularly livestock feed--being introduced into a mixture. The device uses a pair of compartments in a cylinder, the compartments being defined by pistons and using adjustments to control the size of the compartment.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: September 8, 1998
    Inventor: Eugene E. Van Bruggen