Patents by Inventor Jerome F. Dausman

Jerome F. Dausman 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).

  • Method and apparatus for the treatment of sewage sludge and the like
    Patent number: 5259977
    Abstract: A process for the production of a durable granular or pelletized sludge product is disclosed whereby a minimal amount of high calcium oxide material is utilized for pathogenic stabilization, the resulting material being further processed through an agglomeration stage. A portion of the agglomerated material is further processed in a moisture reduction or drying stage and recycled back to the agglomeration stage for percent solids adjustment and promotion of agglomeration. An apparatus for performing the process is also disclosed.
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: November 9, 1993
    Assignee: Bio Gro Systems, Inc.
    Inventors: Mark Girovich, Jerome F. Dausman