Changeflow GovPing Energy Electrode Rolling Apparatus and Electrode Rolli...
Routine Notice Added Final

Electrode Rolling Apparatus and Electrode Rolling Method

Favicon for changeflow.com ChangeBridge: EPO Bulletin - Batteries (H01M)
Published March 25th, 2026
Detected April 1st, 2026
Email

Summary

The European Patent Office published patent application EP4075535A1 for LG Chem's electrode rolling apparatus and method for battery manufacturing. The patent covers continuous electrode rolling equipment and associated methods for electrode fabrication in rechargeable batteries. This publication makes the application publicly available; if granted after examination, it will provide LG Chem with patent protection across designated European states.

What changed

EPO published LG Chem's patent application EP4075535A1 covering electrode rolling apparatus and electrode rolling methods for battery manufacturing. The patent application lists six inventors and covers rolling equipment and processes for electrode fabrication. The application has been published with international patent classification H01M 4/04 and is designated for all European patent states upon grant.

Patent publications do not impose compliance obligations on third parties. Competitors developing similar electrode rolling technology should review the claims to assess potential freedom-to-operate implications. No immediate regulatory action is required, but companies in battery manufacturing may want to monitor the prosecution of this application for claim scope that could affect their operations.

Source document (simplified)

← EPO Patent Bulletin

ELECTRODE ROLLING APPARATUS AND ELECTRODE ROLLING METHOD

Publication EP4075535A1 Kind: A1 Mar 25, 2026

Applicants

LG Chem, Ltd.

Inventors

AHN, Sangbum, KIM, Hwan Han, LEE, Ho Kyung, CHOY, Sang Hoon, SEOL, Jeong Soo, HONG, Soohyung

IPC Classifications

H01M 4/04 20060101AFI20230707BHEP B05C 9/14 20060101ALI20230707BHEP B30B 15/34 20060101ALI20230707BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

View original document →

Named provisions

Electrode Rolling Apparatus Electrode Rolling Method

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4075535A1

Who this affects

Applies to
Manufacturers
Industry sector
3254 Pharmaceutical Manufacturing 3364 Aerospace & Defense 3261 Plastics & Rubber Manufacturing
Activity scope
Patent Application Battery Manufacturing Technology Electrode Processing
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Manufacturing Energy

Get Energy alerts

Weekly digest. AI-summarized, no noise.

Free. Unsubscribe anytime.

Get alerts for this source

We'll email you when ChangeBridge: EPO Bulletin - Batteries (H01M) publishes new changes.

Optional. Personalizes your daily digest.

Free. Unsubscribe anytime.