Advance of pipe elements in the ground
CA 2556370 C · Owner: Trumpi, Stefan · Inventors: Trumpi, Stefan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The aim of the invention is to advance pipe elements (18) for constructing an elongate structure in a soft, stony, rocky and/or monolithic ground. Said aim , is achieved by determining the force of advancement (40) the eccentricity , (52) thereof in relation to the neutral axis (N) and/or the direction of , advancement (28) with the aid of a pressing device (24) and extension elements (44) which are filled with fluid and are disposed on the face of the joints (70) of the tubing (14). The fluid pressure (p) is measured in at least one portion of the extension elements (44) which extends along the entire length of the tubing (14), and/or the deformation is measured in some of the joints …
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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
- Filed February 17, 2005 and granted June 12, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.