page_title: List of Canadian inventions and discoveries
section_title: Tools and manufacturing
hierarchical_section_title: List of Canadian inventions and discoveries / Inventions and improvements / Tools and manufacturing
caption_attribution_description: Français&#160;: Échelle Collerette devant la caserne 16
context_page_description: Canadian inventions and discoveries are objects, processes or techniques invented, innovated or discovered, which owe their existence either partially or entirely to a person born in Canada, a citizen of Canada or a company or organization based in Canada. Some of these inventions were funded by the National Research Council of Canada, which has been an important factor in innovation and technological advancement. Often, things discovered for the first time are also called inventions and in many cases, there is no clear line between the two.
  The following is a list of inventions, innovations or discoveries known or generally recognized to be Canadian.
context_section_description: A process for distilling Kerosene was invented by Abraham Gesner and made the fuel popular.
  A process for making pulped wood paper was invented by Charles Fenerty.
  Caulking gun was invented by Theodore Witte in 1894.
  The paint roller was invented by Norman James Breakey.
  The Robertson screw was invented by P.L. Robertson in 1908.
  The rotary vane pump was invented by Charles Barnes and patented in 1874.
  Automatic Lubricating Cup was invented by Elijah McCoy in 1872.
  The Collerette ladder for fire fighting  was invented by Montrealer Rodrigue Colleret and demonstrated in London in 1896.
caption: Collerette ladder
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