Displacement measurement with a spring and force measurement for actuators, blow-out preventers, valves
CA 2418099 A1 · Owner: Kunow, Peter · Inventors: Kunow, Peter; Biester, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The displacement of the first component (2) is measured by means of a spring (3) and a force measurement device (10 4) in the form of a stationary , conductor (10) in the form of a wire. This is accurate not susceptible to , wear, resistant to vibration shocks or corrosion and economical to use in almost all media, without any special sealing measures as well as in any , pressure range. The invention can be applied to devices used to obtain oil and gas, actuators, blow-out preventers and valves.
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 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 17, 2023.
- 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.