Patents by Inventor Francois de Larrard

Francois de Larrard 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).

  • Publication number: 20180310488
    Abstract: A green construction element forming a vertical surface of the construction, the element including a porous concrete element and a coating on at least one of the surfaces of the porous concrete, directly in contact with the surface, the coating, which is favourable to the development of plants, including a plant or a seed of the plant, and the porous concrete having a porosity of between 10% and 40% in the hardened state thereof, before application of the coating, so as to be able to render the vertical surface of the construction green.
    Type: Application
    Filed: October 14, 2016
    Publication date: November 1, 2018
    Inventors: Gilles LECOMTE, Benjamin RILEY, François DE LARRARD, Isabelle DUBOIS-BRUGGER
  • Patent number: 7678322
    Abstract: The invention relates to a method of fabricating manufactured aggregates (10), characterized in that the following steps are performed: supplying a first material (12) comprising particles; supplying elements (16, 18, 20, 22) for forming a second material (14); mixing a predetermined quantity (Q12) of said first material (12) with a predetermined quantity (Q16, Q18, Q20, Q22) of each of said elements (16, 18, 20, 22) of said second material (14), so as to obtain a mortar (M12-14) made up of inclusions (12) corresponding to the first material and a matrix (14) corresponding to the second material (14); subjecting a first cure (T1) to the mortar (M12-14) for a predetermined first cure duration (t1); and crushing (C) said mortar (M12-14) to obtain manufactured aggregates (10).
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: March 16, 2010
    Assignee: Laboratoire Central des Ponts Et Chaussees
    Inventors: François De Larrard, Vincent Ledee, Thierry Sedran
  • Publication number: 20060267240
    Abstract: The invention relates to a method of fabricating manufactured aggregates (10), characterized in that the following steps are performed: supplying a first material (12) comprising particles; supplying elements (16, 18, 20, 22) for forming a second material (14); mixing a predetermined quantity (Q12) of said first material (12) with a predetermined quantity (Q16, Q18, Q20, Q22) of each of said elements (16, 18, 20, 22) of said second material (14), so as to obtain a mortar (M12-14) made up of inclusions (12) corresponding to the first material and a matrix (14) corresponding to the second material (14); subjecting a first cure (T1) to the mortar (M12-14) for a predetermined first cure duration (t1); and crushing (C) said mortar (M12-14) to obtain manufactured aggregates (10).
    Type: Application
    Filed: August 6, 2004
    Publication date: November 30, 2006
    Inventors: Francois De Larrard, Vincent Ledee, Thierry Sedran
  • Patent number: 5115602
    Abstract: The invention relates to an insulating and structural masonry block comprising a sealed envelope of parallelepipic shape in which layers of light, dry aggregate are superposed, separated by a geotextile band placed in accordion like layers. Within the envelope is drawn a pressure lower than ambient pressure.
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: May 26, 1992
    Assignee: Etat Francais, represente par le: Laboratoire Central Des Ponts et Chaussees
    Inventor: Francois de Larrard