Patents by Inventor Ludwig Kniel

Ludwig Kniel 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).

  • Vessel having natural gas liquefaction capabilities
    Patent number: 4041721
    Abstract: There is disclosed a vessel having natural gas liquefaction capabilities formed of a plurality of self-contained liquefaction assemblies, each of which being disposed in a separate liquefaction compartment.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: August 16, 1977
    Assignee: The Lummus Company
    Inventor: Ludwig Kniel
  • Process and apparatus for liquefying natural gas
    Patent number: 4012212
    Abstract: There is disclosed a novel process and apparatus for liquefying a hydrocarbon gas under a pressure greater than the critical pressure thereof wherein the gas is first expanded to below the critical pressure thereof to permit the facile separation of C.sub.5 and heavier hydrocarbons with the lighter components being re-pressurized to above the critical pressure thereof by such expanding gas prior to the further cooling of such re-compressed lighter components for eventual liquefaction.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: March 15, 1977
    Assignee: The Lummus Company
    Inventor: Ludwig Kniel