Patents by Inventor Alok K. Bhargava

Alok K. Bhargava 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).

  • Waste sludge disposal process
    Patent number: 5389234
    Abstract: Waste refinery sludge having a high water content along with hydrocarbon liquids and solids is disposed of in a delayed coking process. The sludge is pretreated and heated to a coking temperature and then introduced into the top of a delayed coking drum.
    Type: Grant
    Filed: July 14, 1993
    Date of Patent: February 14, 1995
    Assignee: ABB Lummus Crest Inc.
    Inventors: Alok K. Bhargava, Wai Seung W. Louie, Arthur N. Stefani