Patents by Inventor Johannes-Josef Albrecht

Johannes-Josef Albrecht 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).

  • Process of cooling hot granular solids
    Patent number: 4318798
    Abstract: A process of cooling hot granular solids which are at temperatures from about 400.degree. to 1300.degree. C., which comprises maintaining solids in an agitated or trickling state in a cooling zone, causing air to rise through the cooling zone in direct contact with the solids, and utilizing at least part of the sensible heat of the solids so dissipated.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: March 9, 1982
    Assignee: Metallgesellschaft Aktiengesellschaft
    Inventors: Johannes-Josef Albrecht, Roland Rammler, Martin Hirsch