Patents by Inventor Bradley Richard Welter

Bradley Richard Welter 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-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