Patents by Inventor Cornnelis L. DeVries

Cornnelis L. DeVries 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: 4967931
    Abstract: Apparatus for volumetric dosing of viscous products comprising a dispensing outlet connected to apparatus for substantially vertically moving the outlet, a supply conduit, a valve for the supply conduit, a dispensing valve and a dosing chamber. The dispensing outlet constituting the lower end of the dosing chamber. Preferably the apparatus comprises a suck back feature for sucking back product to prevent after dripping.
    Type: Grant
    Filed: March 10, 1989
    Date of Patent: November 6, 1990
    Assignee: Lever Brothers Company
    Inventor: Cornnelis L. DeVries