- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 21/06 - Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
Patent holdings for IPC class H01F 21/06
Total number of patents in this class: 97
10-year publication summary
|
7
|
4
|
6
|
3
|
5
|
4
|
5
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 12767 |
8 |
| Hamilton Sundstrand Corporation | 5013 |
6 |
| Safran Electrical & Power | 780 |
6 |
| Delta Electronics, Inc. | 2869 |
4 |
| Blue Origin Manufacturing, LLC | 364 |
4 |
| Sumida Corporation | 337 |
3 |
| Elan Research - 9456-4424 Québec Inc. | 5 |
3 |
| Denso Corporation | 25799 |
2 |
| Murata Manufacturing Co., Ltd. | 25981 |
2 |
| Nokia Technologies Oy | 21911 |
2 |
| Analogic Corporation | 312 |
2 |
| Griffith University | 163 |
2 |
| Samsung Electronics Co., Ltd. | 159298 |
1 |
| Apple Inc. | 59354 |
1 |
| BlackBerry Limited | 4832 |
1 |
| Qualcomm Incorporated | 93712 |
1 |
| GM Global Technology Operations LLC | 16237 |
1 |
| Koninklijke Philips N.V. | 26073 |
1 |
| Boston Scientific Scimed, Inc. | 11317 |
1 |
| TDK Corporation | 7039 |
1 |
| Other owners | 45 |