- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 7/18 - Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
Patent holdings for IPC class H01F 7/18
Total number of patents in this class: 645
10-year publication summary
|
43
|
63
|
64
|
66
|
60
|
45
|
35
|
20
|
24
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41786 |
62 |
| Continental Automotive GmbH | 5541 |
19 |
| ZF Friedrichshafen AG | 7028 |
19 |
| Vitesco Technologies GmbH | 2494 |
12 |
| Hanchett Entry Systems, Inc. | 273 |
11 |
| Siemens AG | 24565 |
10 |
| Denso Corporation | 23769 |
10 |
| Raytheon Company | 8444 |
10 |
| Schaeffler Technologies AG & Co. KG | 9395 |
10 |
| Hamilton Sundstrand Corporation | 4728 |
9 |
| ETO Magnetic GmbH | 268 |
9 |
| Capstan Ag Systems, Inc. | 108 |
8 |
| Hitachi Astemo, Ltd. | 6091 |
8 |
| Aisin AW Co., Ltd. | 2364 |
7 |
| Flextronics AP, LLC | 467 |
7 |
| Hitachi Automotive Systems, Ltd. | 3962 |
6 |
| Mitsubishi Electric Corporation | 44851 |
6 |
| Schneider Electric Industries SAS | 1442 |
6 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1408 |
6 |
| Eaton Intelligent Power Limited | 6300 |
6 |
| Other owners | 404 |