Wheel Rim Structure For Motor-Vehicles

Patent No. EP3921183 (titled "Wheel Rim Structure For Motor-Vehicles") was filed by Trelleborg Wheel Systems Italia on Jan 16, 2020. The application was issued on Oct 22, 2025.

Patent Summary

A wheel rim structure for motor vehicles that minimizes structural stresses in the circumferential profile area where the lateral parts join the central region. The structure features a curved surface with a first radius of curvature (R1) of 10-20 mm and a second curved surface with a radius of curvature (R2) of 40-80 mm, preferably 50-70 mm, which provides improved structural integrity and reduced tire inflation time.

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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
ACCURIDE WHEELS SOLINGENJul 18, 2023BOSHERZ GOEBEL
ACCURIDE WHEELS SOLINGENJul 18, 2023GOEBEL

Dossier Documents

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EP3921183

TRELLEBORG WHEEL SYSTEMS ITALIA
Application Number
EP20742838A
Filing Date
Jan 16, 2020
Status
Patent Maintained As Amended
Sep 19, 2025
Publication Date
Oct 22, 2025