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CPC Main Group
H01R 33/00

Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof

Filing statistics

CPC H01R 33/00 belongs to the parent subclass H01R, which recorded 238,918 patent applications worldwide between 2013 and 2023. Annual filings grew from 16,339 in 2013 to 20,728 in 2023 (+27%), peaking at 26,812 applications in 2017. The most active applicants in class H01 are SAMSUNG ELECTRONICS COMPANY (37,897 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (36,116 applications) and APPLIED MATERIALS (21,640 applications).

Source: EPO PATSTAT, worldwide filings

12 direct subcodes

Child Classifications

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  • H01R 33/02 Single-pole devices, e.g. holder for supporting one end of a tubular incandescent or neon lamp
  • H01R 33/72 Three-pole devices
  • H01R 33/88 adapted for simultaneous co-operation with two or more identical counterparts
  • H01R 33/90 adapted for co-operation with two or more dissimilar counterparts
  • H01R 33/92 Holders formed as intermediate parts for distributing energy in parallel through two or more counterparts at least one of which is attached to apparatus to be held

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

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