- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/709 - Route fault prevention or recovery, e.g. rerouting, route redundancy, virtual router redundancy protocol [VRRP] or hot standby router protocol [HSRP] using path redundancy using M+N parallel active paths
Patent holdings for IPC class H04L 12/709
Total number of patents in this class: 751
10-year publication summary
|
111
|
74
|
96
|
74
|
48
|
19
|
4
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dell Products L.P. | 16112 |
73 |
| Cisco Technology, Inc. | 22240 |
56 |
| Huawei Technologies Co., Ltd. | 119623 |
48 |
| Ericsson | 22237 |
39 |
| ZTE Corporation | 43549 |
26 |
| Juniper Networks, Inc. | 3784 |
22 |
| Telefonaktiebolaget LM Ericsson (publ) | 28572 |
21 |
| Qualcomm Incorporated | 89782 |
19 |
| International Business Machines Corporation | 62123 |
19 |
| Hewlett Packard Enterprise Development LP | 10835 |
18 |
| Avago Technologies International Sales Pte. Limited | 8611 |
18 |
| Apple Inc. | 57924 |
16 |
| Nippon Telegraph and Telephone Corporation | 16247 |
12 |
| Arista Networks, Inc. | 1205 |
12 |
| NEC Corporation | 36545 |
11 |
| Extreme Networks, Inc. | 736 |
11 |
| Adeia Media Holdings LLC | 616 |
10 |
| Ciena Corporation | 2101 |
8 |
| Citrix Systems, Inc. | 3538 |
7 |
| Level 3 Communications, LLC | 1255 |
7 |
| Other owners | 298 |