Patents by Inventor Tai W. Kwok

Tai W. Kwok 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).

  • HF alkylation process
    Patent number: 5386073
    Abstract: A shell-and-tube heat exchanger with a tube sheet having partition grooves used to form joints with partition plates contained within the exchanger head. The partition plates define chambers within the head of the exchanger which direct the fluid through the exchanger tubes and which allow for the use of an unequal number of tubes per tube-side pass.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: January 31, 1995
    Assignee: Phillips Petroleum Company
    Inventors: Tai W. Kwok, Scott D. Love
  • Heat exchanger in an HF alkylation apparatus
    Patent number: 5296199
    Abstract: A shell-and-tube heat exchanger with a tube sheet having partition grooves used to form joints with partition plates contained within the exchanger head. The partition plates define chambers within the head of the exchanger which direct the fluid through the exchanger tubes and which allow for the use of an unequal number of tubes per tube-side pass.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: March 22, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Tai W. Kwok, Scott D. Love
  • Heat exchanger
    Patent number: 4972903
    Abstract: A shell-and-tube heat exchanger with a tube sheet having false partition grooves which allows the periodic rotation of a removable heat exchanger tube bundle, as well as a method of performing such rotation.
    Type: Grant
    Filed: January 25, 1990
    Date of Patent: November 27, 1990
    Assignee: Phillips Petroleum Company
    Inventor: Tai W. Kwok