Dual bourdon tube type sensing pressure transducer
CA 1304957 C · Owner: Dwyer Instruments, Inc. · Inventors: Hestich, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A pressure transducer in the nature of a differential pressure transmitter including an instrument housing defining a chamber in which is mounted a sensing transducer one of several known types powered to provide a gauge signal that is to be supplied to instrumentation such as a controller or recorder, with the pressure sensing arrangement of the instrument being in the form of two oppositely coiled bourdon tubes mounted one on other side of the sensing transducer with like ends of the tubes each mounting an output lever which levers are respectively resiliently connected to the movable element of the transducer and in an oppositely acting manner, with the other …
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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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
- 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.