Patents Assigned to 2341451 ONTARIO INC.
  • Undercut excavation method with continuous concrete floors
    Patent number: 9151047
    Abstract: The present invention provides a technique in undercut excavation that allows a continuous steel reinforced concrete floor to be set up or installed over a large width and length and installing continuous steel reinforced concrete floors in any subsequent lifts. Using the present invention, the continuous concrete floor can be extended at a later date if the stopping area is extended at some future date.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: October 6, 2015
    Assignee: 2341451 Ontario Inc.
    Inventor: Charles Michael Gryba
  • UNDERCUT EXCAVATION METHOD WITH CONTINUOUS CONCRETE FLOORS
    Publication number: 20140237936
    Abstract: The present invention provides a technique in undercut excavation that allows a continuous steel reinforced concrete floor to be set up or installed over a large width and length and installing continuous steel reinforced concrete floors in any subsequent lifts. Using the present invention, the continuous concrete floor can be extended at a later date if the stopping area is extended at some future date.
    Type: Application
    Filed: October 11, 2012
    Publication date: August 28, 2014
    Applicant: 2341451 ONTARIO INC.
    Inventor: Charles Michael Gryba