Patents by Inventor Maurice Weelen

Maurice Weelen 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: 8123394
    Abstract: A mixer having a mixing pipe (1), a rotatable mixing unit (3) having back-mixing action, and a supply of the liquid colorant (4, 5) through the wall of the mixing pipe in the area of the mixing unit allows uniform mixing of liquid colorants of differing viscosities even with fixed-cycle supply of the liquid colorants. Mixing liquid colorants using this mixer allows direct dosing of the mixed liquid colorant into a plastic processing machine in the event of volumetric dosing of the employed liquid colorants.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: February 28, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Simon Becht, Andreas Kluge, Maurice Weelen, Martin Welp
  • Publication number: 20070140045
    Abstract: A mixer having a mixing pipe (1), a rotatable mixing unit (3) having back-mixing action, and a supply of the liquid colorant (4, 5) through the wall of the mixing pipe in the area of the mixing unit allows uniform mixing of liquid colorants of differing viscosities even with fixed-cycle supply of the liquid colorants. Mixing liquid colorants using this mixer allows direct dosing of the mixed liquid colorant into a plastic processing machine in the event of volumetric dosing of the employed liquid colorants.
    Type: Application
    Filed: October 11, 2006
    Publication date: June 21, 2007
    Applicant: Degussa AG
    Inventors: Simon Becht, Adreas Kluge, Maurice Weelen, Martin Welp