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CPC Subgroup
H04L 49/113

Arrangements for redundant switching, e.g. using parallel planes

Full Title

Packet switching elements > characterised by the switching fabric construction > Arrangements for redundant switching, e.g. using parallel planes

Filing statistics

CPC H04L 49/113 belongs to the parent subclass H04L, which recorded 1,567,994 patent applications worldwide between 2013 and 2023. Annual filings grew from 97,627 in 2013 to 139,810 in 2023 (+43%), peaking at 168,964 applications in 2020. The most active applicants in class H04 are HUAWEI TECHNOLOGIES COMPANY (101,476 applications), QUALCOMM (101,139 applications) and SAMSUNG ELECTRONICS COMPANY (96,655 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

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  • H04L 49/115 Transferring a complete packet or cell through each plane
  • H04L 49/116 Transferring a part of the packet through each plane, e.g. by bit-slicing
  • H04L 49/118 Address processing within a device, e.g. using internal ID or tags for routing within a switch

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498