IP Verse

Rotary Piston Engine

Patent No. EP3765746 (titled "Rotary Piston Engine") was filed by Gardner Denver Schopfheim on Mar 13, 2019. The application was issued on Jul 30, 2025.

Patent Summary

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Patent Family

Patent Oppositions (3)

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
ANHEUSER BUSCH INBEVApr 30, 2026-
BUSCH PRODUKTIONSApr 30, 2026BOVARD
GEBR BECKERApr 29, 2026RIEDER & PARTNER

Dossier Documents

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EP3765746

GARDNER DENVER SCHOPFHEIM
Application Number
EP19711322A
Filing Date
Mar 13, 2019
Status
Granted And Under Opposition
Jun 27, 2025
Publication Date
Jul 30, 2025
External Links
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