Method and apparatus for monitoring a liquid level
CA 1313058 C · Owner: Murthy, Ashok · Inventors: Murthy, Ashok
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus are provided for monitoring the surface level of a liquid, such as molten metal by, moving first and second sensing means preferably electrodes, vertically with respect to the surface level of the liquid positioning the lower portion of the second electrode vertically displaced upwardly with respect to the lower portion of the first electrode, such that the amount of vertical displacement is directly related to the accuracy of determining the liquid level, generating an electrical signal as a function of each electrode position, then moving the first and second electrode vertically with respect to the surface level of the liquid in response to the electrical signal …
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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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2010.
- 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.