Flow dividing valve
CA 1248842 A · Owner: Parker, Michael James · Inventors: Scheuerman, Curtis H.; Burke, Thomas A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flow dividing valve wherein an outer sleeve (26) is maintained in a valve body (10) and has a primary flow valve seat (32). An inner valve sleeve (50) that is slidably maintained in outer sleeve (26) has an end face (51) that cooperates with the valve seat (32) to control primary flow. A valve spool (74) that is slidably maintained in inner valve sleeve (50) cooperates with a secondary flow valve seat (70) of inner valve sleeve (50) to control secondary flow.
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
- Granted January 17, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2006.
- 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.