Patents Assigned to Koch Enterprises, Inc.
  • Patent number: 6003847
    Abstract: An improved downcomer for vapor liquid contact towers. The downcomer is formed between generally semi-conical walls and the wall of the tower. The downcomer outlet is formed by the lower edge of the generally semi-conical walls and the wall of the tower with the lower edge of the generally semi-conical walls being closer to the wall of the tower at the center of the downcomer outlet than at the opposing end portions of the downcomer outlet so that more liquid flows through the opposing end portions of the downcomer outlet than through the center of the downcomer outlet thereby providing a substantially uniform flow of liquid across the tray adjacent the downcomer.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: December 21, 1999
    Assignee: Koch Enterprises, Inc.
    Inventors: Adam T. Lee, Kuang Wu, Larry Burton, Leon Fan
  • Patent number: 5895608
    Abstract: A chemical process tower tray construction incorporating a tapered semi-conical downcomer adaptive for discharging liquid along an arcuate edge portion of an underlying tray. The underlying tray is of the type supported within the chemical process tower by a support ring which is positioned beneath the edge of the tray for the support thereof. The solid support ring typically forms a nonactive area beneath this region of the tray and the tapered downcomer discharges liquid directly onto the inactive region wherein the remaining portion of the tray can be utilized for mass transfer.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: April 20, 1999
    Assignee: Koch Enterprises, Inc.
    Inventors: Adam T. Lee, Kuang Wu, Larry Burton
  • Patent number: 5821428
    Abstract: A sealed observation element for viewing the flow of molten liquid during the operation of a sulfur recovery unit comprises at least one sight glass that is heated and which may be swept with a purge gas supplied through one or more bleed rings to prevent condensation or deposition of materials on the side of the sight glass exposed to the process stream.
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: October 13, 1998
    Assignee: Koch Enterprises, Inc.
    Inventors: George W. Taggart, James E. Lewis, Craig S. Ward
  • Patent number: 5795929
    Abstract: The present invention relates to an asphalt composition prepared from bitumen (asphalt), linear and non-linear copolymers of styrene and butadiene, cross-linking agents, and emulsifiers. The present invention compositions are useful for industrial applications, such as hot-mix and emulsified asphalts used with aggregates for road paving, and repair.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: August 18, 1998
    Assignee: Koch Enterprises, Inc.
    Inventor: William E. Grubba
  • Patent number: 5740197
    Abstract: An apparatus for inspecting, monitoring or injecting a process material into a high temperature process vessel includes a lance having an outer annulus, an inner annulus and a plurality of tubes positioned between inner annulus and outer annulus, the inner annulus defines a center passage, the tubes communicating with the cooling medium inlet for the flow of cooling medium to the distal end of the lance, the outer annulus, inner annulus and plurality of tubes defining a plurality of interspacial areas for the flow of cooling medium from the distal end of the lance to the cooling outlet. A thermocouple may mounted inside a thermocouple well for measuring the temperature adjacent the distal end of the injection lance.
    Type: Grant
    Filed: August 18, 1995
    Date of Patent: April 14, 1998
    Assignee: Koch Enterprises, Inc.
    Inventors: George W. Taggart, deceased, Lory Johnson, Orville C. Ungerer, F. Ellis Vandiver
  • Patent number: 5702647
    Abstract: A multiple downcomer tray assembly for vapor liquid contact towers. The downcomers are constructed with support baffles enabling the downcomer tray to be supported therefrom. The support baffles include a generally centralized aperture formed therethrough. An active bridge is disposed between adjacent, end to end downcomers for equalization of liquid flow upon the tray.
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: December 30, 1997
    Assignee: Koch Enterprises, Inc.
    Inventors: Adam T. Lee, Kuang Wu, Larry Burton