- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 21/26 - Broaching tools
Patent holdings for IPC class B23F 21/26
Total number of patents in this class: 29
10-year publication summary
|
3
|
6
|
1
|
2
|
2
|
1
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2763 |
5 |
| Mitsubishi Materials Corporation | 2459 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9009 |
3 |
| Aisin AW Co., Ltd. | 2276 |
2 |
| Forst Technologie GmbH & Co. KG | 7 |
2 |
| JTEKT Europe | 213 |
2 |
| Toyota Motor Hokkaido Inc. | 7 |
2 |
| Spezialwerkzeuge GmbH Zella-mehlis | 2 |
2 |
| Rtx Corporation | 9843 |
2 |
| NTN Corporation | 4941 |
1 |
| Bombardier Recreational Products Inc. | 1474 |
1 |
| Bonfiglioli Riduttori S.p.A. | 11 |
1 |
| The Gleason Works | 200 |
1 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 155 |
1 |
| Other owners | 0 |