Aluminium

Introduced: July 1974

Last revised: January 2006

Full Title

Electroplating characterised by the process; Pretreatment or after-treatment of workpieces > Pretreatment of metallic surfaces to be electroplated > of light metals > Aluminium

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
Subclass:: PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; JOINING WORKPIECES BY ELECTROLYSIS; APPARATUS THEREFOR

Top Applicants

Top 10 applicants by patent filingsfor class C25, 2013–2023, worldwide · Source: EPO PATSTAT

CHINESE ACADEMY OF SCIENCES 1,797
EBARA CORPORATION JP 729
CENTRAL SOUTH UNIVERSITY 650
INDUSTRIE DE NORA IT 641
ROBERT BOSCH DE 600
JFE STEEL JP 593
KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 553
SIEMENS DE 536
CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 525
JX NIPPON MINING & METALS CORPORATION 499