Blasting methods and apparatus with reduced risk of inadvertent or illicit use
CA 2775934 C · Owner: Orica Explosives Technology Pty Ltd · Inventors: Lownds, Charles Michael; Bampfield, Howard; Stewart, Ronald F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Disclosed herein are significant improvements in security and safety of blasting apparatuses intended for use in mining operations. These include the development of an apparatus and method for blasting that involves activation or deactivation of the blasting apparatus in accordance with pre-determined parameters. For example these parameters may include one or more of: a location of the blast site a time for the blasting event, a number of previous blasts a number of previous blasts within a given time period and identification of detonator identification codes. The activation or deactivation may involve cross-communication between components of the blasting apparatus and/or associated …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents.
Why it's free to use
- Filed February 16, 2006 and granted October 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 16, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.