Patents by Inventor Pierre-André Daignault

Pierre-André Daignault 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: 8622653
    Abstract: An apparatus and a method are described for sterilizing seed beds in soil. The apparatus is comprised of at least one hot water injecting chamber defined by a pair of spaced-apart side walls secured to one another and defining therebetween a passage. A plurality of jet holes are provided in an inner surface of each of the side walls and facing the direction of the passage. The jet holes communicate with a manifold associated with each side wall which is connected to a supply of pressurized hot water. Each of the side walls is configured to penetrate into the soil in at least a lower region thereof whereby to inject into the soil in the passage between the pair of plates the pressurized hot water as the hot water injecting chamber is displaced in the soil.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: January 7, 2014
    Inventors: Arnold Lipes, Pierre-André Daignault
  • Publication number: 20120288333
    Abstract: An apparatus and a method are described for sterilizing seed beds in soil. The apparatus is comprised of at least one hot water injecting chamber defined by a pair of spaced-apart side walls secured to one another and defining therebetween a passage. A plurality of jet holes are provided in an inner surface of each of the side walls and facing the direction of the passage. The jet holes communicate with a manifold associated with each side wall which is connected to a supply of pressurized hot water. Each of the side walls is configured to penetrate into the soil in at least a lower region thereof whereby to inject into the soil in the passage between the pair of plates the pressurized hot water as the hot water injecting chamber is displaced in the soil.
    Type: Application
    Filed: May 10, 2011
    Publication date: November 15, 2012
    Inventors: Arnold Lipes, Pierre-André Daignault