Patents by Inventor Lau O. Voers

Lau O. Voers 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 for removing, condensing and collecting propellants from foam materials
    Patent number: 5288929
    Abstract: A method for removing, condensing and collecting propellants, e.g. chlorofluoro-carbons (CFCs) in an environmentally friendly manner from foam materials, e.g. insulant materials from old (discarded) refrigerators, district heating tubes and other materials for which the method is suitable.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: February 22, 1994
    Assignee: L&E Holding ApS
    Inventor: Lau O. Voers