Patents by Inventor Richard Thomas Semenza

Richard Thomas Semenza 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).

  • Multiple coherent jet lance
    Patent number: 6171544
    Abstract: A system for establishing a plurality of coherent gas jets proximate one another using a single lance wherein plurality of gas jets are ejected from a corresponding plurality of nozzles in a lance and a flame envelope is established around the plurality of gas jets, and the jets remain distinct and do not coalesce for their length.
    Type: Grant
    Filed: April 2, 1999
    Date of Patent: January 9, 2001
    Assignee: Praxair Technology, Inc.
    Inventors: John Erling Anderson, Dennis Robert Farrenkopf, Richard Thomas Semenza, Pravin Chandra Mathur, William John Mahoney