- All sections
- B - Performing operationstransporting
- B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls
- B21H 5/00 - Making gear wheels
Patent holdings for IPC class B21H 5/00
Total number of patents in this class: 30
10-year publication summary
|
3
|
2
|
1
|
2
|
2
|
2
|
0
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44363 |
2 |
| Schaeffler Technologies AG & Co. KG | 11213 |
2 |
| NTN Corporation | 4935 |
2 |
| Nihon Spindle Manufacturing Co., Ltd | 79 |
2 |
| ThyssenKrupp AG | 3328 |
2 |
| ThyssenKrupp Rothe Erde GmbH | 66 |
2 |
| Daikin Industries, Ltd. | 10527 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2149 |
1 |
| Aktiebolaget SKF | 3156 |
1 |
| Bharat Forge Ltd. | 50 |
1 |
| Ernst Grob AG | 17 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2844 |
1 |
| Kiekert Aktiengesellschaft | 1628 |
1 |
| Leistritz Extrusionstechnik GmbH | 21 |
1 |
| MAG Powertrain GmbH | 8 |
1 |
| Magna Powertrain Inc. | 103 |
1 |
| Miba Sinter Austria GmbH | 101 |
1 |
| Musashi Seimitsu Industry Co., Ltd. | 220 |
1 |
| Nissei Co., Ltd. | 28 |
1 |
| Profiroll Technologies GmbH | 19 |
1 |
| Other owners | 4 |