Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof (manufacture of vessels from glass C03B)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Apparatus or processes adapted to the manufacture, installing, removal or maintenance of incandescent lamps or parts thereof

CPC: Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof (manufacture of vessels from glass C03B)

Full Title

Full titles differ between systems:

IPC:

Apparatus or processes adapted to the manufacture, installing, removal or maintenance of incandescent lamps or parts thereof

CPC:

Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof (manufacture of vessels from glass C03B)

Of 12 combined children, 11 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

H01K 3/005 CPC only CPC only
H01K 3/02 Manufacture of incandescent bodies IPC+CPC Available in IPC and CPC
H01K 3/06 Attaching of incandescent bodies to mount +1 CPC IPC+CPC Available in IPC and CPC
H01K 3/08 Manufacture of mounts or stems IPC+CPC Available in IPC and CPC
H01K 3/12 Joining of mount or stem to vessel; Joining parts of the vessel, e.g. by butt sealing IPC+CPC Available in IPC and CPC
H01K 3/16 Joining of caps to vessel IPC+CPC Available in IPC and CPC
H01K 3/20 Sealing-in wires directly into the envelope IPC+CPC Available in IPC and CPC
H01K 3/22 Exhausting, degassing, filling, or cleaning vessels IPC+CPC Available in IPC and CPC
H01K 3/26 Closing of vessels IPC+CPC Available in IPC and CPC
H01K 3/28 Machines having sequentially arranged operating stations IPC+CPC Available in IPC and CPC
H01K 3/30 Repairing or regenerating used or defective lamps +1 CPC IPC+CPC Available in IPC and CPC
H01K 3/32 Auxiliary devices for cleaning, placing, or removing incandescent lamps IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
SAMSUNG ELECTRONICS COMPANY KR 42,206
LG CHEM KR 21,383
APPLIED MATERIALS US 20,441
LG ENERGY SOLUTION KR 20,279
SAMSUNG DISPLAY KR 19,725
CHINESE ACADEMY OF SCIENCES 19,400
TOYOTA MOTOR CORPORATION 18,819
SGCC(STATE GRID CORPORATION OF CHINA) 18,082
TOKYO ELECTRON JP 17,634

Top Applicants (CPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG ELECTRONICS COMPANY KR 37,897
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
APPLIED MATERIALS US 21,640
LG ENERGY SOLUTION KR 20,770
LG CHEM KR 19,835
TOKYO ELECTRON JP 18,519
ROBERT BOSCH DE 14,595
INTEL CORPORATION US 13,580
MURATA MANUFACTURING COMPANY JP 12,151
SAMSUNG SDI COMPANY KR 12,080