A gas catalytic combustion element and a gas powered heating device
CA 2580909 C · Owner: Oglesby, Alfred Peter · Inventors: Oglesby, Alfred Peter; Oglesby, John Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A glue gun (1) comprising a body member (3) in which a glue accommodating and melting chamber (4) for receiving stick glue is formed and a combustion chamber (10) is also formed for accommodating a gas catalytic combustion element (14). A temperature responsive valve (25) controls the supply of fuel gas to the combustion chamber (10) for maintaining the temperature of the body member (3) at approximately 14O~C. A thermal mass (26) provided by a screw (27) is clamped onto a tab shaped portion (30) of the gas catalytic combustion element (14), and maintains the temperature of the tab shaped portion (30) above the ignition temperature of the gas catalytic combustion element (14) …
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, and the Claude kit works from them.
Why it's free to use
- Filed September 22, 2005 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 22, 2025.
- 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.