Patents by Inventor Haans H. Kroger

Haans H. Kroger 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).

  • Removal of heavy metals content
    Patent number: 4434060
    Abstract: Reducing the heavy metals content of an aqueous composition which includes adding lime to the composition and filtering the composition.
    Type: Grant
    Filed: June 4, 1982
    Date of Patent: February 28, 1984
    Assignee: General Electric Company
    Inventors: David C. Altmansberger, Christina L. Huss, Haans H. Kroger