Patents by Inventor Alex Lajoie

Alex Lajoie 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).

  • Ladder safety device
    Patent number: 11982127
    Abstract: A ladder safety device (2) for removably securing a ladder (40) to a parapet wall (36) of a rooftop (38), including: a pair of support clamps (4) securable to the parapet wall (36), each said support clamp (4) including a first support member (10), a second support member (12), and an extended arm (14) joining said first support member (10) to said second support member (12), wherein a distance between said support members (10, 12) defines a width adjustable to the width of the parapet wall (36); an elongate plate (6) connecting said pair of support clamps (4) to each other; and at least one ladder hook (8) extending from said elongate plate (6) for securely receiving a rung of the ladder (40).
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: May 14, 2024
    Assignee: DELTA PRÉVENTION INC.
    Inventors: Alex Lajoie, Pierre-Luc Lussier, Kevin Key
  • LADDER SAFETY DEVICE
    Publication number: 20220136328
    Abstract: A ladder safety device (2) for removably securing a ladder (40) to a parapet wall (36) of a rooftop (38), including: a pair of support clamps (4) securable to the parapet wall (36), each said support clamp (4) including a first support member (10), a second support member (12), and an extended arm (14) joining said first support member (10) to said second support member (12), wherein a distance between said support members (10, 12) defines a width adjustable to the width of the parapet wall (36); an elongate plate (6) connecting said pair of support clamps (4) to each other; and at least one ladder hook (8) extending from said elongate plate (6) for securely receiving a rung of the ladder (40).
    Type: Application
    Filed: October 29, 2020
    Publication date: May 5, 2022
    Inventors: Alex LAJOIE, Pierre-Luc LUSSIER, Kevin KEY
  • Base for a safety rail
    Patent number: D782708
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: March 28, 2017
    Assignee: DELTA PREVENTION
    Inventors: Serge Key, Alex Lajoie, Sebastien Cossette, Jacques Desbiens