Patents by Inventor Lars W. Pihl

Lars W. Pihl 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 integrated local treatment of biologically degradable waste
    Patent number: 4172034
    Abstract: This invention relates to a compact apparatus for treating heterogeneous waste comprising a substantial proportion of biologically degradable solid matters and liquid constituents.
    Type: Grant
    Filed: February 13, 1978
    Date of Patent: October 23, 1979
    Assignee: Euroc Administration AB
    Inventors: Carl G. H. Carlsson, Lars W. Pihl