Patents by Inventor John Leo Haslbeck

John Leo Haslbeck 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).

  • Closed loop no.sub.x reduction
    Patent number: 6113870
    Abstract: Process and apparatus which increase the concentration of NO.sub.x in an off-gas stream of heated air carrying NO.sub.x removed or desorbed from sorbent, feed the off-gas stream into NO.sub.x reduction apparatus, or to nitrogen by-product producing apparatus, and maintain the volume of the off-gas stream substantially constant as the NO.sub.x concentration is being increased.
    Type: Grant
    Filed: November 17, 1995
    Date of Patent: September 5, 2000
    Assignee: Noxso Corporation
    Inventors: John Leo Haslbeck, Warren Tzu Ma, James Brown Black, III