Patents by Inventor Achim Ebel

Achim Ebel 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).

  • Device for purifying and/or decontaminating polyester
    Patent number: 7104788
    Abstract: The invention relates to an apparatus for cleaning and/or decontaminating polyester, in particular polyethylene terephthalate (PET). The apparatus has an at least partially heated rotary tubular furnace to be fed with a mixture of polyester and an alkaline material and is for carrying out a saponification reaction in the mixture. The invention is distinguished in that within the rotary tubular furnace a weir is disposed which at least partly closes the interior of the rotary tubular furnace, and an orifice is formed in the shell of the rotary tubular furnace adjacent the weir for separating undersize grain from the PET.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: September 12, 2006
    Assignee: Cleanaway Deutschland AG & Co. KG
    Inventors: Achim Ebel, Carlos Dario Gutierrez
  • Device for purifying and/or decontaminating polyester
    Patent number: 7033167
    Abstract: The invention relates to an apparatus for cleaning and/or decontaminating polyester, in particular polyethylene terephthalate (PET). The apparatus has an at least partially heated rotary tubular furnace to be fed with a mixture of polyester and an alkaline material and is for carrying out a saponification reaction in the mixture. The invention is distinguished in that within the rotary tubular furnace a weir is disposed which at least partly closes the interior of the rotary tubular furnace.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: April 25, 2006
    Assignee: Cleanaway Deutschland AG & Co. KG
    Inventors: Achim Ebel, Carlos Dario Gutierrez
  • Device for purifying and /or decontaminating polyester
    Publication number: 20040101798
    Abstract: The invention relates to an apparatus for cleaning and/or decontaminating polyester, in particular polyethylene terephthalate (PET). The apparatus has an at least partially heated rotary tubular furnace (1) to be fed with a mixture of polyester and an alkaline material and is for carrying out a saponification reaction in the mixture. The invention is distinguished in that within the rotary tubular furnace (1) a weir (22) is disposed which at least partly closes the interior (5) of the rotary tubular furnace (1).
    Type: Application
    Filed: November 24, 2003
    Publication date: May 27, 2004
    Inventors: Achim Ebel, Carlos Dario Gutierrez
  • Device for purifying and/or decontaminating polyester
    Publication number: 20040096796
    Abstract: The invention relates to a device for purifying and/or decontaminating polyester, in particular polyethylene terephthalate (PET). Said device has a rotary kiln (1), which is at least partially heated and fed with a mixture of polyester and an alkaline material, for carrying out a saponification reaction in the mixture. The invention is characterised in that the rotary kiln (1) contains a weir-type element (22), which closes at least part of the interior (5) of said kiln (1).
    Type: Application
    Filed: December 8, 2003
    Publication date: May 20, 2004
    Inventors: Achim Ebel, Carlos Dario Gutierrez