Patents by Inventor Yann Guelou

Yann Guelou 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).

  • Decoy device against wake-tracking torpedoes
    Patent number: 6889590
    Abstract: A decoy device for wake-following torpedoes, the device comprising a body of effervescent material that reacts with sea water to generate a cloud of bubbles simulating a phoney wake, the device being characterized in that it has a covering of material that is soluble in sea water which delays the reaction of the effervescent material with sea water.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: May 10, 2005
    Assignee: Etienne Lacroix Tous Artifices S,A
    Inventors: Yann Guelou, Philippe Mourry, Christine Gillot
  • Decoy device against wake-tracking torpedoes
    Publication number: 20020185048
    Abstract: A decoy device for wake-following torpedoes, the device comprising a body of effervescent material that reacts with sea water to generate a cloud of bubbles simulating a phoney wake, the device being characterized in that it has a covering of material that is soluble in sea water which delays the reaction of the effervescent material with sea water.
    Type: Application
    Filed: December 11, 2001
    Publication date: December 12, 2002
    Inventors: Yann Guelou, Philippe Mourry, Christine Gillot
  • Smoke-generating composition based on colophony derivatives
    Patent number: 6436210
    Abstract: A smoke-generating redox composition contains one or more esters of colophony or of hydrogenated colophony with an alcohol. Applications include use in a deterrent device.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: August 20, 2002
    Assignee: Etienne Lacroix Tous Artifices S.A.
    Inventors: Philippe Groc, Daniel Grycza, Yann Guelou