Method And System For Freezing A Portion Of Ground

Patent No. EP2690222 (titled "Method And System For Freezing A Portion Of Ground") was filed by AIR Liquide Italia on Jul 19, 2013. The application was issued on Dec 30, 2020.

Patent Summary

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Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
LINDEMay 12, 2020-
LINDEMay 30, 2018-

Dossier Documents

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EP2690222

AIR LIQUIDE ITALIA
Application Number
EP13177293A
Filing Date
Jul 19, 2013
Status
Patent Maintained As Amended
Nov 27, 2020
Publication Date
Dec 30, 2020