Patents by Inventor Rudolf Ostrowski

Rudolf Ostrowski 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).

  • Use of fluidized bed ash in a finishing mortar
    Patent number: 5104451
    Abstract: A mortar for the production of a floor is prepared from a mixture of anhydrite binder, sand, fluidized bed ash from the fluidized bed firing of a sulfur-bearing fuel such as coal, water and a selection of additives, resulting in advantageous technological properties.
    Type: Grant
    Filed: September 11, 1990
    Date of Patent: April 14, 1992
    Assignee: Norina Bautechnik GmbH
    Inventors: Klaus Steppler, Rudolf Ostrowski