Formulating and delivery system for emulsion blasting agents
CA 1299876 C · Owner: Burm, Inc. · Inventors: Larsen, Raymond D.; Lawrence, Larry D.; Sudweeks, Walter B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
The invention is a method and apparatus for formulating and delivering emulsion slurry blasting agents in a self-contained "on-site," movable system, such as a heavy duty truck which houses the necessary apparatus for formulating the emulsion blasting agent. A key part of the apparatus is a blender in which the emulsion phase is formed.
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
- Granted May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 2009.
- 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.