Patents by Inventor Tufail Ahmad

Tufail Ahmad 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).

  • Low pressure drop purifier for nitrogen, methane, and argon removal from syngas
    Publication number: 20060239871
    Abstract: An apparatus for purifying a raw syngas stream containing excess nitrogen and an ammonia process plant for manufacturing ammonia from syngas with excess air for reforming and nitrogen removal with low pressure losses is disclosed.
    Type: Application
    Filed: June 22, 2006
    Publication date: October 26, 2006
    Inventors: Avinash Malhotra, Tufail Ahmad, Bradley Welter
  • Low-delta P purifier for nitrogen, methane, and argon removal from syngas
    Patent number: 7090816
    Abstract: A process for manufacturing ammonia from syngas with excess air for reforming and nitrogen removal with low pressure losses is disclosed. Auto-refrigeration for cooling the syngas for cryogenic hydrogen enrichment is provided by expansion of a hydrogen-lean waste fluid stream from a distillation column.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: August 15, 2006
    Assignee: Kellogg Brown & Root LLC
    Inventors: Avinash Malhotra, Tufail Ahmad, Bradley Richard Welter
  • LOW-DELTA P PURIFIER FOR NITROGEN, METHANE, AND ARGON REMOVAL FROM SYNGAS
    Publication number: 20050013768
    Abstract: A process for manufacturing ammonia from syngas with excess air for reforming and nitrogen removal with low pressure losses is disclosed. Auto-refrigeration for cooling the syngas for cryogenic hydrogen enrichment is provided by expansion of a hydrogen-lean waste fluid stream from a distillation column.
    Type: Application
    Filed: July 17, 2003
    Publication date: January 20, 2005
    Applicant: KELLOGG BROWN AND ROOT, INC.
    Inventors: Avinash Malhotra, Tufail Ahmad, Bradley Welter