Patents by Inventor Pierre Leyrit

Pierre Leyrit 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).

  • Patent number: 8291859
    Abstract: An arrangement for positioning at least two milking animals in at least two milking stalls allows the animals to stand in an inclined position such that a longitudinal axis of the animals forms an angle of 10°-80° to a vertical plane (6) of a front barrier (5) of the milking stalls. The arrangement includes a power member (22) and motion transmission mechanism adapted to transfer an activating motion from the power member to individual front positioning elements (10) in the milking stalls such that the individual front positioning element in each milking stall comes in contact with a front portion of the animal and acts with a resilient force on the animal in a manner such that the animal steps backwards to a desired milking position in which the rear part of the animal is in contact with a second rear positioning element (9).
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: October 23, 2012
    Assignee: DeLaval Holding AB
    Inventor: Jean-Pierre Leyrit
  • Publication number: 20110155066
    Abstract: An arrangement for positioning at least two milking animals in at least two milking stalls allows the animals to stand in an inclined position such that a longitudinal axis of the animals forms an angle of 10°-80° to a vertical plane (6) of a front barrier (5) of the milking stalls. The arrangement includes a power member (22) and motion transmission mechanism adapted to transfer an activating motion from the power member to individual front positioning elements (10) in the milking stalls such that the individual front positioning element in each milking stall comes in contact with a front portion of the animal and acts with a resilient force on the animal in a manner such that the animal steps backwards to a desired milking position in which the rear part of the animal is in contact with a second rear positioning element (9).
    Type: Application
    Filed: May 19, 2009
    Publication date: June 30, 2011
    Applicant: DELAVAL HOLDING AB
    Inventor: Jean-Pierre Leyrit
  • Patent number: 6712953
    Abstract: The invention relates to a catalyst that contains at least one matrix, at least one zeolite and at least one hydro-dehydrogenating element that is located at the matrix (deposited on the catalyst or contained in the matrix), in which the zeolite contains in its porous network at least one element of group VIB and/or group VIII. Said hydro-dehydrogenating element preferably belongs to group VIB and/or to group VIII of the periodic table. The catalyst contains at least one promoter element)phosphorus, boron, silicon).
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: March 30, 2004
    Assignee: Institut Francais du Pétrole
    Inventors: Slavik Kasztelan, Nathalie Marchal-George, Tivadar Cseri, Pierre Leyrit, Philippe Dascotte, Elisabeth Rosenberg
  • Patent number: 6531051
    Abstract: The invention relates to a catalyst that contains at least one matrix, at least one zeolite and at least one element that is deposited on the catalyst or contained in the matrix and selected from the group that is formed by the elements of groups VIB, VIII and VB, and at least one promoter element (phosphorus, boron, silicon), in which the zeolite contains in its porous network at least one element of group VB. The invention also relates to the use of this catalyst for the transformation of hydrocarbon fractions, in particular hydrorefining and hydrocracking.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: March 11, 2003
    Assignee: Institut Francais du Petrole
    Inventors: Slavik Kasztelan, Nathalie Marchal-George, Tivadar Cseri, Pierre Leyrit, Philippe Dascotte, Elisabeth Rosenberg