Patents by Inventor Denis Bolot

Denis Bolot 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).

  • Torche nozzle with internal gas mixing
    Patent number: 4653692
    Abstract: This nozzle includes an outer case (1) and a core (2) which define in succession: a series of passageways (15) having a zone for the injection of fuel gas and comburent gas, a mixing zone of small section and a primary homogenization zone of larger section; an annular secondary homogenization zone (16) whose section is substantially equal to the total section of the preceding zone; a single acceleration passage (17) having a decreasing section; and a single outlet conduit (18) having a constant section. Application in oxyacetylene torches consuming a few cubic meters per hour acetylene.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: March 31, 1987
    Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation des Procedes Georges Claude
    Inventors: Denis Bolot, Francis Cuny, Didier Lasnier