- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 9/00 - Making gears having teeth curved in their longitudinal direction
Patent holdings for IPC class B23F 9/00
Total number of patents in this class: 18
10-year publication summary
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0
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2
|
0
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0
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1
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1
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3
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| American Axle & Manufacturing, Inc. | 649 |
2 |
| Bourn & Koch, Inc. | 3 |
2 |
| Liebherr-Verzahntechnik GmbH | 72 |
2 |
| The Gleason Works | 202 |
1 |
| Klingelnberg AG | 74 |
1 |
| Klingelnberg GmbH | 54 |
1 |
| Schottel GmbH | 52 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Presta AG | 1069 |
1 |
| Scbd (AnHui) E-tech Co., Ltd. | 10 |
1 |
| Yield Force, S.L. | 1 |
1 |
| Hunan Zdcy (zhongda Chuang Yuan) CNC Equipment Co., Ltd | 1 |
1 |
| Technische Universität Dresden Fakultät Maschinenweseninstitut für Maschinenelemente und Maschinenkonstruktion | 1 |
1 |
| Hunan Zdcy CNC Equipment Co., Ltd. | 11 |
1 |
| Bourn & Koch, LLC | 38 |
1 |
| Other owners | 0 |