Patents by Inventor Lennart Robberts

Lennart Robberts 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).

  • Patent number: 5705060
    Abstract: A vessel for mixing flowing media or for extracting heavy constituents from flowing media generates a natural vortex in the media flowing in the vessel. The vessel cross-section has at least one increase in cross-sectional area within the region of the generated natural vortex.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: January 6, 1998
    Assignee: Gavle Galvan Tryckkarl AB
    Inventor: Lennart Robberts