Cathodic cups

Full Title

Discharge tubes and lamps > Disassembly or repair of discharge tubes > Discharge tubes with liquid poolcathodes; constructional details > Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control > Cathodic cups

6 direct subcodes

Child Classifications

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H01J 2893/0076 Liquid electrode materials
H01J 2893/0077 Cathodic cup construction; Cathodic spot control
H01J 2893/0078 Mounting cathodic cups in the discharge tube
H01J 2893/0079 Means for limiting the cathodic spot movement
H01J 2893/008 Means for stabilising the cathodic spot
H01J 2893/0081 Cooling means

Top Applicants

Top 10 applicants by patent filingsfor 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