Patents by Inventor Jean Hartz

Jean Hartz 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: 6866778
    Abstract: A drainage tank for granular material/liquid mixture includes a low part and a high part provided with a lid. A device for separating the liquid and the granular material is arranged in the low part. A device for evacuating excess liquid is arranged in the high part and includes a number of overflow sleeves passing through the lid. The overflow sleeves have, above the lid, an overflow edge that is adjustable in height.
    Type: Grant
    Filed: December 24, 2001
    Date of Patent: March 15, 2005
    Assignee: Paul Wurth S.A.
    Inventors: Guy Kerschenmeyer, Wolfgang Van Hooff, Jean Hartz
  • Publication number: 20040050776
    Abstract: A drainage tank for granular material/liquid mixture includes a low part and a high part provided with a lid. A device for separating the liquid and the granular material is arranged in the low part. A device for evacuating excess liquid is arranged in the high part and includes a number of overflow sleeves passing through the lid. The overflow sleeves have, above the lid, an overflow edge that is adjustable in height.
    Type: Application
    Filed: July 10, 2003
    Publication date: March 18, 2004
    Inventors: Guy Kerschenmeyer, Wolfgang Van Hooff, Jean Hartz