- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 7/00 - Making herring-bone gear teeth
Patent holdings for IPC class B23F 7/00
Total number of patents in this class: 9
10-year publication summary
|
2
|
0
|
3
|
2
|
0
|
0
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sikorsky Aircraft Corporation | 1059 |
4 |
| BHS Corrugated Maschinen-und Anlagenbau GmbH | 217 |
1 |
| Neumayer Tekfor Holding GmbH | 68 |
1 |
| Prawema Antriebstechnik GmbH | 38 |
1 |
| Rolls-Royce Deutschland Ltd & Co KG | 868 |
1 |
| Aerospace Transmission Technologies GmbH | 13 |
1 |
| Other owners | 0 |