- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 30/14 - Two-phase, three-phase or polyphase transformers for changing the number of phases
Patent holdings for IPC class H01F 30/14
Total number of patents in this class: 60
10-year publication summary
|
8
|
5
|
3
|
6
|
6
|
2
|
3
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20097 |
5 |
| Tokuden Co., Ltd. | 38 |
4 |
| Safran Electrical & Power | 744 |
4 |
| Rockwell Automation Technologies, Inc. | 2736 |
3 |
| Honeywell International Inc. | 12786 |
2 |
| Hispano Suiza | 68 |
2 |
| Korea Electrotechnology Research Institute | 481 |
2 |
| Saab AB | 822 |
2 |
| Tyco Fire & Security GmbH | 3574 |
2 |
| Triiion Holdings Pty Ltd | 3 |
2 |
| International Business Machines Corporation | 62220 |
1 |
| Intel Corporation | 46680 |
1 |
| Robert Bosch GmbH | 43587 |
1 |
| Nissan Motor Co., Ltd. | 12763 |
1 |
| Xilinx, Inc. | 3927 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2837 |
1 |
| Siemens Industry, Inc. | 1582 |
1 |
| ABB Schweiz AG | 7441 |
1 |
| ELDEC Corporation | 9 |
1 |
| Electronic Power Design, Inc. | 41 |
1 |
| Other owners | 22 |