CPC Subgroup
H01J 17/02 Details
Full Title
Gas-filled discharge tubes with solid cathode (H01J25/00, H01J27/00, H01J31/00 - H01J41/00 take precedence; gas filled spark gaps H01T; Marx converters H02M7/26) > Details
10 direct subcodes
Child Classifications
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- H01J 17/04 Electrodes; Screens
- H01J 17/14 Magnetic means for controlling the discharge
- H01J 17/16 Vessels; Containers
- H01J 17/18 Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J 17/20 Selection of substances for gas fillings; Specified operating pressures or temperatures
- H01J 17/22 Means for obtaining or maintaining the desired pressure within the tube
- H01J 17/28 Cooling arrangements
- H01J 17/30 Igniting arrangements
- H01J 17/34 One or more circuit elements structurally associated with the tube
- H01J 17/36 Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
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