- All sections
- B - Performing operations; transporting
- 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: 28
10-year publication summary
|
3
|
3
|
3
|
6
|
1
|
2
|
2
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2579 |
5 |
| Mitsubishi Materials Corporation | 2378 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Aisin AW Co., Ltd. | 2430 |
2 |
| Forst Technologie GmbH & Co. KG | 7 |
2 |
| JTEKT Europe | 207 |
2 |
| Toyota Motor Hokkaido Inc. | 8 |
2 |
| Spezialwerkzeuge GmbH Zella-mehlis | 2 |
2 |
| Rtx Corporation | 8674 |
2 |
| NTN Corporation | 5008 |
1 |
| Bombardier Recreational Products Inc. | 1262 |
1 |
| Bonfiglioli Riduttori S.p.A. | 16 |
1 |
| The Gleason Works | 202 |
1 |
| Other owners | 0 |