Patents by Inventor Karl-Otto Meyer

Karl-Otto Meyer 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).

  • Deep bed filter, method of manufacture of a filter layer and a filter module
    Patent number: 5232595
    Abstract: A deep bed filter with a layer thickness of at least 1 mm comprises a pleated, self supporting filter layer (7, 8) which contains a mixture of long fibered material and short fibered material, whereby the fibers comprise cellulose and/or artificial fibers and whereby the filter layer preferably contains diatomaceous earth and/or perlite.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: August 3, 1993
    Assignee: Filtrox-Werk AG
    Inventor: Karl-Otto Meyer