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IP Verse

Grauel patent opposition analysis

The comprehensive analysis of Grauel opposition landscape, with a particular emphasis on intellectual property (IP) dynamics.

Stay updated with the latest patent oppositions filed by Grauel

Patent Number	Title	Applicant	Opposition Date	Opposition Company
EP4206497	Combination Of Piston Rings And Combined Structure Of Pistons And Piston Rings	TPR	Sep 23, 2025	MAHLE
EP3974630	Cooling Fan And Method For Operating The Same	CLAAS TRACTOR	Jul 15, 2025	MAHLE
EP3779244	Spacer Expander And Oil Control Ring Including Same	KABUSHIKI KAISHA RIKEN	Jun 25, 2025	MAHLE
EP3371443	Optimized Hub Support	KS KOLBENSCHMIDT	Dec 19, 2024	MAHLE
EP3657000	Cast Iron Cylinder Liner, And Internal Combustion Engine	TPR INDUSTRY	May 29, 2024	MAHLE
EP3815945	Compact Powertrain With An Electric Motor	BRUSA ELEKTRONIK	May 29, 2024	MAHLE
EP3660180	Sliding Member And Piston Ring	KABUSHIKI KAISHA RIKEN	Dec 22, 2023	MAHLE
EP3577662	Ptc Heater With Reduced Switch-On Current	TDK ELECTRONICS	May 11, 2023	MAHLE
EP3493650	Electric Heating Device	EBERSPCHER CATEM	Dec 22, 2022	MAHLE
EP3480532	Electric Heating Device	EBERSPCHER CATEM	May 18, 2021	MAHLE

Top companies who are the clients of Grauel

Company	Total
MAHLE	33