Patents by Inventor Rolf W. Eickelmann

Rolf W. Eickelmann 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).

  • Mixer implement for liquids
    Patent number: 4472063
    Abstract: A mixer implement for liquids in which longitudinally spaced guard rings are supported by a rotary shaft through radial struts formed as impeller blades and which also support complemental helically formed impeller blades extending between them. Liquid motion patterns are set up by shaft rotation which effects rapid thorough mixing action which can be accelerated by an attendant stirring motion if desired.
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: September 18, 1984
    Assignee: INRI-International New Roofing Industries, Inc.
    Inventor: Rolf W. Eickelmann