Patents by Inventor Sylvain Henault

Sylvain Henault 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).

  • Broom attachment, broom assembly and method for use thereof
    Patent number: 10244859
    Abstract: A broom attachment is provided for a rotary sweeper assembly that includes a broom mount and a broom unit mountable to the broom mount. The broom attachment includes a plurality of broom attachment bristles and a support member having a retained portion and a retaining portion. The plurality of bristles extend from the retaining portion and the retained portion is operatively mountable to at least one of the broom mount and the broom unit. A broom assembly includes at least one broom attachment. When the broom attachment is operatively mounted to the broom mount, the broom attachment bristles are positioned at a greater radial distance away from an axis of rotation than the cleaning bristles of the broom unit. A method of assembling a broom attachment to a broom mount includes operatively mounting the retained portion to the broom mount.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: April 2, 2019
    Assignees: Balais Nomad Inc., Les Brosses Henault inc.
    Inventors: Christian Robertson, Sylvain Henault
  • Broom Attachment, Broom Assembly and Method for Use Thereof
    Publication number: 20170311708
    Abstract: A broom attachment is provided for a rotary sweeper assembly that includes a broom mount and a broom unit mountable to the broom mount. The broom attachment includes a plurality of broom attachment bristles and a support member having a retained portion and a retaining portion. The plurality of bristles extend from the retaining portion and the retained portion is operatively mountable to at least one of the broom mount and the broom unit. A broom assembly includes at least one broom attachment. When the broom attachment is operatively mounted to the broom mount, the broom attachment bristles are positioned at a greater radial distance away from an axis of rotation than the cleaning bristles of the broom unit. A method of assembling a broom attachment to a broom mount includes operatively mounting the retained portion to the broom mount.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 2, 2017
    Applicants: Balais Nomad Inc., Les Brosses Henault inc.
    Inventors: Christian Robertson, Sylvain Henault
  • Electrochemical gage for measuring partial pressures of oxygen
    Patent number: 4045319
    Abstract: An electrochemical gage for measuring partial pressures of oxygen. The gage is preferably in miniaturised form and uses an internal reference or standard of palladium: palladium oxide. The internal reference is disposed in a compartment defined by walls of solid electrolyte.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: August 30, 1977
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Charles Henri Deportes, Marc Patrice Sylvain Henault, Francis Tasset, Gerard Raymond Robert Vitter