- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
Patent holdings for IPC class H02J 3/18
Total number of patents in this class: 1842
10-year publication summary
|
151
|
185
|
156
|
143
|
141
|
124
|
98
|
89
|
113
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24033 |
73 |
| Vestas Wind Systems A/S | 3796 |
61 |
| ABB Schweiz AG | 7590 |
51 |
| Hitachi Energy Ltd. | 2568 |
45 |
| GE Infrastructure Technology, LLC | 6171 |
43 |
| Siemens Energy Global GmbH & Co. KG | 3335 |
40 |
| Smart Wires Inc. | 95 |
39 |
| Mitsubishi Electric Corporation | 47971 |
29 |
| ABB Technology AG | 1224 |
24 |
| Wobben Properties GmbH | 1219 |
24 |
| Hitachi, Ltd. | 16071 |
22 |
| State Grid Corporation of China | 1399 |
22 |
| General Electric Company | 13888 |
21 |
| General Electric Technology GmbH | 1336 |
19 |
| Maschinenfabrik Reinhausen GmbH | 582 |
18 |
| Eaton Intelligent Power Limited | 6236 |
18 |
| ABB Research Ltd. | 796 |
16 |
| Apparent Labs, LLC | 38 |
15 |
| TMEIC Corporation | 908 |
15 |
| Alstom Technology Ltd | 1045 |
14 |
| Other owners | 1233 |