- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
Patent holdings for IPC class H02K 7/18
Total number of patents in this class: 4240
10-year publication summary
|
449
|
572
|
516
|
505
|
419
|
391
|
434
|
411
|
425
|
296
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Gamesa Renewable Energy A/S | 1902 |
146 |
| General Electric Company | 13862 |
90 |
| Hamilton Sundstrand Corporation | 4940 |
85 |
| Vestas Wind Systems A/S | 3705 |
78 |
| Wobben Properties GmbH | 1219 |
71 |
| GE Infrastructure Technology, LLC | 6198 |
71 |
| Halliburton Energy Services, Inc. | 21020 |
68 |
| Siemens AG | 24366 |
49 |
| Honda Motor Co., Ltd. | 25774 |
48 |
| Rolls-Royce PLC | 3139 |
48 |
| Rolls-Royce North American Technologies, Inc. | 1173 |
43 |
| Flender GmbH | 380 |
43 |
| General Electric Renovables España, S.L. | 308 |
43 |
| Saudi Arabian Oil Company | 13512 |
37 |
| Mainspring Energy, Inc. | 114 |
35 |
| Illinois Tool Works Inc. | 11517 |
34 |
| Pratt & Whitney Canada Corp. | 4858 |
34 |
| Rtx Corporation | 9519 |
34 |
| Rolls-Royce Corporation | 1759 |
31 |
| GE Aviation Systems LLC | 581 |
29 |
| Other owners | 3123 |