Patents by Inventor Stephen HANWRIGHT

Stephen HANWRIGHT 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).

  • Triggering explosives in holes
    Patent number: 12650284
    Abstract: An assembly (7) for triggering an explosive in a hole (9) to produce an explosive blast in the hole includes (a) an explosion trigger (15, 19) for triggering the explosive in the hole, (b) a detonation unit body (21) that is configured to be located at or proximate an open end of the hole in an initial position of the assembly in the hole and (c) a trigger cord (31) that is connected to the detonation unit body and to the explosion trigger.
    Type: Grant
    Filed: July 3, 2024
    Date of Patent: June 9, 2026
    Assignee: Olitek Pty Ltd
    Inventors: Anthony James Sprague, James Thomas Oliver, Stephen Hanwright
  • TRIGGERING EXPLOSIVES IN HOLES
    Publication number: 20240361108
    Abstract: An assembly (7) for triggering an explosive in a hole (9) to produce an explosive blast in the hole includes (a) an explosion trigger (15, 19) for triggering the explosive in the hole, (b) a detonation unit body (21) that is configured to be located at or proximate an open end of the hole in an initial position of the assembly in the hole and (c) a trigger cord (31) that is connected to the detonation unit body and to the explosion trigger.
    Type: Application
    Filed: July 3, 2024
    Publication date: October 31, 2024
    Applicant: Olitek Pty Ltd
    Inventors: Anthony James Sprague, James Thomas Oliver, Stephen Hanwright
  • Triggering explosives in holes
    Patent number: 12066278
    Abstract: An assembly (7) for triggering an explosive in a hole (9) to produce an explosive blast in the hole includes (a) an explosion trigger (15, 19) for triggering the explosive in the hole, (b) a detonation unit body (21) that is configured to be located at or proximate an open end of the hole in an initial position of the assembly in the hole and (c) a trigger cord (31) that is connected to the detonation unit body and to the explosion trigger.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: August 20, 2024
    Assignee: Newcrest Mining Limited
    Inventors: Anthony James Sprague, James Thomas Oliver, Stephen Hanwright
  • TRIGGERING EXPLOSIVES IN HOLES
    Publication number: 20220282958
    Abstract: An assembly (7) for triggering an explosive in a hole (9) to produce an explosive blast in the hole includes (a) an explosion trigger (15, 19) for triggering the explosive in the hole, (b) a detonation unit body (21) that is configured to be located at or proximate an open end of the hole in an initial position of the assembly in the hole and (c) a trigger cord (31) that is connected to the detonation unit body and to the explosion trigger.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 8, 2022
    Inventors: Anthony James SPRAGUE, James Thomas OLIVER, Stephen HANWRIGHT