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Variable Speed Drive For A Hvac&R System

Patent No. EP3523874 (titled "Variable Speed Drive For A Hvac&R System") was filed by Johnson Controls Technology on Oct 5, 2017. The application was issued on Jul 9, 2025.

Patent Summary

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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
VAILLANTApr 8, 2026KARO
DIEHL AKO STIFTUNGMar 31, 2026DIEHL PATENTABTEILUNG

Dossier Documents

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EP3523874

JOHNSON CONTROLS TECHNOLOGY
Application Number
EP17791780A
Filing Date
Oct 5, 2017
Status
Granted And Under Opposition
Jun 6, 2025
Publication Date
Jul 9, 2025
External Links
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