Auger airlock assembly and end dump housing
CA 2533244 C · Owner: Noble, Max · Inventors: Noble, Max; Rempel, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An auger airlock assembly and end dump housing having a spring loaded bottom for use in a bulk loader which utilizes a source of negative pressure to create a suction air stream that draws particulate materials into the loader for transfer via the auger assembly, to a location remote of the loader. Materials exiting the auger assembly accumulate within the housing to a point wherein once the accumulated material has acquired a certain weight the bottom of the housing is forced open to permit discharge of the material and, once the material is removed, and is not present in enough quantity to maintain the bottom of the housing to remain open the spring loaded connection biases the bottom …
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 January 18, 2006 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 18, 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.