Patents by Inventor Ludo J. C. Couwels

Ludo J. C. Couwels 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).

  • Combustion apparatus and process
    Patent number: 5393220
    Abstract: Processes and apparatus for combusting fluid fuel, e.g., liquid fuel, in at least two combustion zones, wherein the fluid fuel is partially combusted with a fluid fuel atomizing or dispersing fluid containing oxygen in an initial combustion zone and is completely combusted with oxidant in at least one subsequent combustion zone.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: February 28, 1995
    Assignee: Praxair Technology, Inc.
    Inventors: Ludo J. C. Couwels, Eddy J. A. Lauwers
  • Apparatus and process for combusting fluid fuel containing solid particles
    Patent number: 5363782
    Abstract: Apparatus and process for improving atomization and combustion of fuel containing solid particles, wherein the fuel containing solid particles is ejected from an outlet port having a conical or trumpet end-like internal wall surface and a fuel atomizing fluid is ejected from a plurality of bores present in the conical or trumpet end-like internal wall surface of the outlet port.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: November 15, 1994
    Assignee: Praxair Technology, Inc.
    Inventor: Ludo J. C. Couwels