- 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: 749
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. | 17348 |
73 |
| Cisco Technology, Inc. | 22668 |
55 |
| Huawei Technologies Co., Ltd. | 125590 |
48 |
| Ericsson | 23125 |
39 |
| Hewlett Packard Enterprise Development LP | 12492 |
25 |
| ZTE Corporation | 44368 |
23 |
| Telefonaktiebolaget LM Ericsson (publ) | 29015 |
21 |
| Qualcomm Incorporated | 93957 |
19 |
| International Business Machines Corporation | 62871 |
19 |
| Avago Technologies International Sales Pte. Limited | 8518 |
18 |
| Apple Inc. | 59479 |
16 |
| Juniper Networks, Inc. | 2426 |
15 |
| Arista Networks, Inc. | 1278 |
12 |
| Nippon Telegraph and Telephone Corporation | 15898 |
11 |
| Extreme Networks, Inc. | 710 |
11 |
| Adeia Media Holdings Inc. | 1036 |
10 |
| Ciena Corporation | 2213 |
8 |
| Lenovo Global Technologies Switzerland International GmbH | 1460 |
8 |
| NEC Corporation | 37563 |
7 |
| Intel Corporation | 46342 |
7 |
| Other owners | 304 |