Patents by Inventor Lothar Otto Barensfeld

Lothar Otto Barensfeld 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: 3941167
    Abstract: Process and apparatus for mixing infusion liquids with further ingredients by adding the latter from a separate container in strongly concentrated or easily soluble ("instant") form, buffering agents being furthermore added to the ingredient to prevent variation of the pH value in the solution. The dissolution may be accelerated by several pumping to and fro operations between the infusion bottle and the container for the ingredient.
    Type: Grant
    Filed: January 2, 1974
    Date of Patent: March 2, 1976
    Assignee: Compaselect GmbH
    Inventors: Ingeborg Maria Haury-Wirtz, Lothar Otto Barensfeld, George Edgar Callahan