- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 21/23 - Face-mills for longitudinally-curved gear teeth with cutter teeth arranged on a spiral curve for continuous generating processes
Patent holdings for IPC class B23F 21/23
Total number of patents in this class: 6
10-year publication summary
|
0
|
0
|
1
|
0
|
0
|
1
|
0
|
1
|
0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Gleason Works | 200 |
2 |
| Kinik Company | 30 |
1 |
| Kyocera SGS Precision Tools, Inc. | 43 |
1 |
| Sandvik Intellectual Property AB | 1420 |
1 |
| GE Infrastructure Technology, LLC | 6210 |
1 |
| Other owners | 0 |