Spiral coil forms hemispherical vessel

Full Title

Heat exchange > Tank with heat exchanger > Heat exchanger forms all or portion of tank > Spiral coil forms hemispherical vessel

This code exists only in CPC.

Diff view requires codes present in both systems.

Class Y10,2013–2023, worldwide · Source: EPO PATSTAT

BOEING COMPANY US 2,373
FORD GLOBAL TECHNOLOGIES US 2,244
HYUNDAI MOTOR COMPANY KR 2,186
TOYOTA MOTOR CORPORATION JP 1,997
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
GE (GENERAL ELECTRIC COMPANY) US 1,794
SAMSUNG ELECTRONICS COMPANY KR 1,705
CORNING US 1,569
TOYOTA MOTOR CORPORATION 1,403
LG CHEM KR 1,364