CPC Main Group Additional Only
H04Q 2209/00 Arrangements in telecontrol or telemetry systems
8 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H04Q 2209/10 using a centralized architecture
- H04Q 2209/20 using a distributed architecture
- H04Q 2209/30 using a wired architecture
- H04Q 2209/40 using a wireless architecture
- H04Q 2209/50 using a mobile data collecting device, e.g. walk by or drive by
- H04Q 2209/60 for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
- H04Q 2209/70 Arrangements in the main station, i.e. central controller
- H04Q 2209/80 Arrangements in the sub-station, i.e. sensing device
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498