- All sections
- B - Performing operationstransporting
- B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls
- B21H 5/02 - Making gear wheels with cylindrical outline
Patent holdings for IPC class B21H 5/02
Total number of patents in this class: 89
10-year publication summary
|
8
|
7
|
9
|
3
|
5
|
7
|
3
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11879 |
5 |
| Miba Sinter Austria GmbH | 101 |
5 |
| Schaeffler Technologies AG & Co. KG | 11182 |
4 |
| Ernst Grob AG | 17 |
4 |
| ThyssenKrupp Steel Europe AG | 996 |
4 |
| OSG EX-CELL-O GmbH | 4 |
4 |
| Aisin Seiki Kabushiki Kaisha | 2153 |
3 |
| Leifeld Metal Spinning AG | 23 |
3 |
| ZF Friedrichshafen AG | 7276 |
2 |
| Ecoroll AG Werkzeugtechnik | 16 |
2 |
| GKN Sinter Metals Engineering GmbH | 115 |
2 |
| Kamax Holding GmbH & Co. KG | 139 |
2 |
| MAG IAS GmbH | 72 |
2 |
| Profiroll Technologies GmbH | 19 |
2 |
| WEBO Werkzeugbau Oberschwaben GmbH | 11 |
2 |
| Wf-maschinenbau und Blechformtechnik GmbH & Co. KG | 11 |
2 |
| AWEBA Werkzeugbau GmbH Aue | 4 |
2 |
| Aisin Corporation | 1980 |
2 |
| Metal Forming & Coining, LLC | 15 |
2 |
| Toyota Motor Corporation | 36159 |
1 |
| Other owners | 34 |