Transmission Housing With Drilled Oil Pan

Patent No. EP4487032 (titled "Transmission Housing With Drilled Oil Pan") was filed by Flender Industriegetriebe on Feb 6, 2023. The application was issued on Dec 10, 2025.

Patent Summary

A transmission housing comprises multiple side walls, at least one of which includes housing openings for bearings. On the inner side of a side wall, a rib structure tapers vertically in a funnel shape toward a housing opening to guide spray or lubricating oil. A collecting pan is provided where the funnel-shaped rib structure opens. This collecting pan is formed by a drill hole traversing the side wall, creating a portion situated on the inner side. The drill hole is executed from the outside inward, creating an undercut by not completely penetrating the lower area of the rib structure. The rib structure is initially cast without undercuts, with the bore centered at the rib structure's base point.

Patent Family

Patent Family

Patent Oppositions

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
SEW EURODRIVEAug 12, 2026-

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents

EP4487032

FLENDER INDUSTRIEGETRIEBE
Application Number
EP23702616A
Filing Date
Feb 6, 2023
Status
Granted And Under Opposition
Nov 7, 2025
Publication Date
Dec 10, 2025