Crucible furnaces (H05B6/30 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Crucible furnaces

CPC: Crucible furnaces (H05B6/30 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Heating by electric, magnetic or electromagnetic fields > Induction heating > Furnaces without an endless core > Crucible furnaces

CPC:

Heating by electric, magnetic or electromagnetic fields > Induction heating > Furnaces without an endless core (H05B6/34 takes precedence) > Crucible furnaces (H05B6/30 takes precedence)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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H05B 6/26 using vacuum or particular gas atmosphere since 1980 IPC+CPC Available in IPC and CPC
H05B 6/28 Protective systems since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H05,2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG ELECTRONICS COMPANY KR 7,201
PANASONIC INTELLECTUAL PROPERTY 6,828
SEMICONDUCTOR ENERGY LABORATORY COMPANY 3,988
LG ELECTRONICS KR 3,564
PANASONIC INTELLECTUAL PROPERTY JP 3,533
SAMSUNG DISPLAY KR 3,310
FUJI JP 2,870
SAMSUNG ELECTRO-MECHANICS COMPANY KR 2,675
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 2,665
MURATA MANUFACTURING COMPANY JP 2,634

Top Applicants (CPC)

Class H05,2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG ELECTRONICS COMPANY KR 9,981
SAMSUNG DISPLAY KR 5,041
LG ELECTRONICS KR 4,742
PHILIP MORRIS PRODUCTS CH 4,411
PANASONIC INTELLECTUAL PROPERTY JP 3,915
PANASONIC INTELLECTUAL PROPERTY 3,471
SAMSUNG ELECTRO-MECHANICS COMPANY KR 3,210
MURATA MANUFACTURING COMPANY JP 3,191
FUJI JP 2,987
SIGNIFY HOLDING NL 2,907