Top Cooperative Patent Classification (CPC) Code

Patent Classification System (CPC)

H - ELECTRICITY

G - PHYSICS

A - HUMAN NECESSITIES

B - PERFORMING OPERATIONS; TRANSPORTING

C - CHEMISTRY; METALLURGY

F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Y - GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS