Flow control device
CA 1196544 A · Owner: United Technologies Corporation · Inventors: Tutherly, Herbert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Flow Control Device, A flow control device includes a housing (10) having a hollow metering valve element (55) disposed therewithin to control the effective flow area of the device. A pressure regulating valve element (70) is received within the metering valve element and maintains a relatively constant pressure drop so that a desired flow through the device may be set by a single adjustment of the position of the metering valve element.
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 November 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2002.
- 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.