Patents by Inventor Davis, Dwight

Davis, Dwight 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).

  • Method and apparatus for de-gelling a liquid mixture
    Patent number: 4966182
    Abstract: An apparatus for de-gelling a liquid mixture in accordance with the present invention includes a device interposed in the flow of the solution for agitating the solution, the agitation sufficient to substantially de-gel the solution. The device for agitating may include a valve which has a chattering motion on opening and closing to agitate the solution; a bead chamber containing closely packed beads through which the solution must pass to reach an outlet, or both the valve and bead chamber.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: October 30, 1990
    Assignee: Diversey Corporation
    Inventors: Grant E. Lavelle, Charles Rossio, Davis, Dwight