Patents by Inventor Bodo Marx

Bodo Marx 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).

  • Device for the cooling of large, rubber-coated tanks with liquid nitrogen
    Patent number: 4768535
    Abstract: A device for cooling rubber-coated large containers with liquid nitrogen to crack and remove the rubber coating includes at least one annular duct with sprayers for directing the liquid nitrogen against the inside of the container. At least one axially disposed duct is in the container extending from the bottom to the top with a ventilator causing rotation of the evaporated nitrogen from the bottom through the axial duct and to the upper part of the container.
    Type: Grant
    Filed: May 14, 1987
    Date of Patent: September 6, 1988
    Assignee: Messer Griesheim GmbH
    Inventors: Bodo Marx, Jurgen Busse
  • Procedure for removal of low-boiling refrigerants from refrigerative and air-conditioning units
    Patent number: 4761961
    Abstract: Low-boiling refrigerants are removed from refrigerative and air-conditioning units by decantation into collecting vessels. The vessels are cooled throughout the entire removal process by heat exchanger with a cryogenic coolant to below the boiling temperature of, and within the ambient pressure conditions of, the refrigerant.
    Type: Grant
    Filed: May 29, 1987
    Date of Patent: August 9, 1988
    Assignee: Messer, Griesheim GmbH
    Inventor: Bodo Marx