IPC Subgroup
H04L 49/113 Arrangements for redundant switching, e.g. using parallel planes
Introduced: January 2022
Full Title
Packet switching elements > characterised by the switching fabric construction > Arrangements for redundant switching, e.g. using parallel planes
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327