Patents by Inventor Luc Mainville

Luc Mainville 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: 11352689
    Abstract: A method and a system for cooling treating metal parts exiting a nitriding/nitrocarburizing treatment in molten salt baths, comprising a cooling chamber in direct relation with a nitriding/nitrocarburizing station for receiving parts therefrom; a gaseous nitrogen feeding unit connected to the cooling chamber and configured to create an inert atmosphere within the cooling chamber; and a screened transfer path between the nitriding/nitrocarburizing station and the cooling chamber; wherein after exiting molten salt baths of the nitriding/nitrocarburizing station, the treated parts are transferred to the cooling chamber through the screened transfer path, and cooled therein to a minimum temperature above a temperature at which salts congeal.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: June 7, 2022
    Inventor: Luc Mainville
  • Patent number: 11009050
    Abstract: A hydraulic rod in reciprocating movement within a barrel of a hydraulic cylinder along a longitudinal direction of the barrel, and a method of manufacturing thereof, a surface finish of the rod comprising valleys, wherein the rod further comprises microporosities on its surface, the microporosities having a depth at least equal to a depth of the valleys.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: May 18, 2021
    Assignee: INDUSTRIES MAILHOT INC.
    Inventors: Luc Mainville, Patrick Boilard, Jean-Michel Éthier
  • Publication number: 20200173010
    Abstract: A method and a system for cooling treating metal parts exiting a nitriding/nitrocarburizing treatment in molten salt baths, comprising a cooling chamber in direct relation with a nitriding/nitrocarburizing station for receiving parts therefrom; a gaseous nitrogen feeding unit connected to the cooling chamber and configured to create an inert atmosphere within the cooling chamber; and a screened transfer path between the nitriding/nitrocarburizing station and the cooling chamber; wherein after exiting molten salt baths of the nitriding/nitrocarburizing station, the treated parts are transferred to the cooling chamber through the screened transfer path, and cooled therein to a minimum temperature above a temperature at which salts congeal.
    Type: Application
    Filed: July 5, 2018
    Publication date: June 4, 2020
    Inventor: Luc MAINVILLE
  • Publication number: 20200009622
    Abstract: A cylinder assembly comprising at least one tubular section with an open end and an opposite end closed by a cylinder head, the tubular section comprising a tubular member, the cylinder assembly further comprising a shaver secured to an inner wall of the cylinder head; and the shaver having an edge having a round profile, with a curvature radius comprised in a range between 0.0002? and 0.002?, an inner diameter equal to an outer diameter of the tubular member and a surface hardness at least equal to a hardness of the surface of the tubular member.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Inventor: LUC MAINVILLE
  • Publication number: 20180363685
    Abstract: A hydraulic rod in reciprocating movement within a barrel of a hydraulic cylinder along a longitudinal direction of the barrel, and a method of manufacturing thereof, a surface finish of the rod comprising valleys, wherein the rod further comprises microporosities on its surface, the microporosities having a depth at least equal to a depth of the valleys.
    Type: Application
    Filed: December 13, 2016
    Publication date: December 20, 2018
    Applicant: INDUSTRIES MAILHOT INC.
    Inventors: LUC MAINVILLE, PATRICK BOILARD, JEAN-MICHEL ÉTHIER
  • Publication number: 20160158813
    Abstract: A method and a system for increasing resistance to wear of an tubular member of a telescopic cylinder comprising at least one tubular section with an open end and an opposite end closed by a cylinder head, the tubular section comprising an outer tubular member, an inner tubular member telescopically displaceable in the outer tubular member, and a shaver secured to an inner wall of the cylinder head, comprising using at least one of a cutting edge of the shaver having a round profile and/or an inner diameter of the shaver equal to an outer diameter of the inner tubular member; and/or a wear ring positioned between the shaver and a sealing ring of the cylinder head.
    Type: Application
    Filed: November 16, 2015
    Publication date: June 9, 2016
    Inventor: LUC MAINVILLE
  • Patent number: 8646784
    Abstract: A method and a system for improving performances of an ice skate blade on ice, comprising selecting a substrate for the blade and controlling wettability of the surface of the substrate, by selecting a surface finish for the surface of the substrate and depositing a thin film coating on the surface of the substrate. The method allows autolubrication of the ice skate blade. The autolubricating ice skating blade comprises a substrate and a thin film coating deposited on the substrate, the substrate having a first friction coefficient on ice, and the blade having a second friction coefficient on ice, the second friction coefficient being decreased compared to the first friction coefficient.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: February 11, 2014
    Assignee: Technique Surface Lab Inc.
    Inventors: Patrick Boilard, Benoit Beausejour, Luc Mainville
  • Publication number: 20130175772
    Abstract: A method and a system for improving performances of an ice skate blade on ice, comprising selecting a substrate for the blade and controlling wettability of the surface of the substrate, by selecting a surface finish for the surface of the substrate and depositing a thin film coating on the surface of the substrate. The method allows autolubrication of the ice skate blade. The autolubricating ice skating blade comprises a substrate and a thin film coating deposited on the substrate, the substrate having a first friction coefficient on ice, and the blade having a second friction coefficient on ice, the second friction coefficient being decreased compared to the first friction coefficient.
    Type: Application
    Filed: September 30, 2011
    Publication date: July 11, 2013
    Applicant: TECHNIQUE SURFACE LAB INC.
    Inventors: Patrick Boilard, Benoit Beausejour, Luc Mainville
  • Patent number: 7810207
    Abstract: An assembly of tubular sections each telescopically arranged in a tubular housing, each of the tubular sections having one end provided with a cylinder head, and comprising an inner tubular member telescopically displaceable in an outer tubular member respectively, such as a telescopic cylinder, a tubular section comprising a sealing joint between the outer tubular element and the inner tubular member in translation inside the outer tubular element, a pipe wiper, and a blade positioned in series in relation to the pipe wiper, wherein the blade has a sharp cutting edge and is mounted by adjusting a tool angle thereof and a pressure it creates on an outer surface of the inner tubular member so that when sliding on this outer surface it removes contaminants such as organic and mineral material off the outer surface.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: October 12, 2010
    Inventor: Luc Mainville
  • Patent number: 7685929
    Abstract: The present invention provides a telescopic hoist comprising a series of telescopically arranged tubular sections wherein the tubular sections are made in nitrided steel.
    Type: Grant
    Filed: January 6, 2004
    Date of Patent: March 30, 2010
    Assignee: Industries Mailhot Inc.
    Inventor: Luc Mainville
  • Patent number: 6938538
    Abstract: A bore seal telescopic hoist is formed of a series of telescopically arranged tubular sections each having a circumferential reservoir. A circumferential wiper is lodged in the reservoir and is used to collect debris or dirt which may be present on the inner wall of an adjacent tubular section.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: September 6, 2005
    Assignee: Industries Mailhot Inc.
    Inventor: Luc Mainville
  • Publication number: 20050028313
    Abstract: A cleaning assembly for a shaft or a tubular structure such as a telescopic cylinder, which comprises a sealing joint between an outer tubular element and an inner tubular member in translation inside the outer tubular element, a pipe wiper, and a blade positioned in series in relation to the pipe wiper, wherein the blade has a sharp cutting edge and is mounted by adjusting a tool angle thereof and a pressure it creates on an outer surface of the inner tubular member so that when sliding on this outer surface it scraps contaminants such as organic and mineral material off.
    Type: Application
    Filed: January 30, 2004
    Publication date: February 10, 2005
    Inventor: Luc Mainville
  • Publication number: 20040154237
    Abstract: The present invention provides a telescopic hoist comprising a series of telescopically arranged tubular sections wherein the tubular sections are made in nitrided steel.
    Type: Application
    Filed: January 6, 2004
    Publication date: August 12, 2004
    Inventor: Luc Mainville