Coke oven rotary wedge door latch
CA 2578040 C · Owner: Taylor, Richard E. · Inventors: Barkdoll, Michael P.; Taylor, Terry D.; Ball, Mark A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An oven door latch system for a coke oven door positionable within an oven door opening and method of sealing a coke oven. The door latch system includes a rotary member rotatively attachable to the oven door. The rotary member has a wedge-shaped, arcuate engagement edge for variably engaging a striker plate on a buck stay member adjacent the oven door opening when the oven door is disposed in the opening of the oven. A tab member is also included on the rotary member. A remotely operated adjustment actuator is provided for engaging the tab member to rotate the rotary member in conjunction with an oven door opening or closing operation. Enhanced oven door sealing is provided by the …
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 August 31, 2005 and granted July 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 31, 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.