Patents by Inventor J. Paul Echtler

J. Paul Echtler 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 stabilizing a slurry of finely divided particulate solids in a liquid
    Patent number: 4440543
    Abstract: A method for stabilizing a slurry of finely divided particulate solids in a liquid, the method consisting essentially of dispersing from about 1 to about 10 weight percent, based on the particulate solids, finely divided wood particles in the slurry, thereby improving the stability of the slurry.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: April 3, 1984
    Assignee: Conoco Inc.
    Inventor: J. Paul Echtler
  • Gas, liquid contactor
    Patent number: 4415341
    Abstract: A method of contacting gas and liquid at pressures greater than 200 psig comprising:providing container means, said container means being provided with a plurality of conduit means and a plurality of gas inlet means, at least a portion of said gas inlet means extending into said conduit means,passing gas at a pressure greater than 200 psig through said gas inlet means into said conduit means,passing liquid at a pressure greater than 200 psig into said conduit means, whereby said gas and liquid are contacted.
    Type: Grant
    Filed: May 13, 1982
    Date of Patent: November 15, 1983
    Assignee: Conoco Inc.
    Inventor: J. Paul Echtler
  • High temperature pressure gauge
    Patent number: 4283954
    Abstract: A high temperature pressure gauge comprising a pressure gauge positioned in fluid communication with one end of a conduit which has a diaphragm mounted in its other end. The conduit is filled with a low melting metal alloy above the diaphragm for a portion of its length with a high temperature fluid being positioned in the remaining length of the conduit and in the pressure gauge.
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: August 18, 1981
    Assignee: Conoco Inc.
    Inventors: J. Paul Echtler, Roy O. Scandrol
  • Reactor apparatus
    Patent number: 4246237
    Abstract: A reactor apparatus for hydrocracking a polynuclear aromatic hydrocarbonaceous feedstock to produce lighter hydrocarbon fuels by contacting the hydrocarbonaceous feedstock with hydrogen in the presence of a molten metal halide catalyst.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: January 20, 1981
    Assignee: Conoco, Inc.
    Inventor: J. Paul Echtler