- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 9/18 - Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
Patent holdings for IPC class B21J 9/18
Total number of patents in this class: 78
10-year publication summary
|
10
|
7
|
1
|
0
|
3
|
2
|
1
|
5
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Standard Lifters, Inc. | 97 |
6 |
| Komatsu Industries Corporation | 169 |
5 |
| Hubbell Incorporated | 3457 |
5 |
| Komatsu Ltd. | 4751 |
4 |
| Stolle Machinery Company, LLC | 508 |
3 |
| Honda Motor Co., Ltd. | 26105 |
2 |
| Belvac Production Machinery, Inc. | 150 |
2 |
| BTM Company LLC | 54 |
2 |
| Langenstein & Schemann GmbH | 42 |
2 |
| Schuler Pressen GmbH | 131 |
2 |
| General Electric Company | 13915 |
1 |
| Toyota Motor Corporation | 35927 |
1 |
| Hitachi Metals, Ltd. | 1826 |
1 |
| GM Global Technology Operations LLC | 16188 |
1 |
| Addisonmckee Inc. | 6 |
1 |
| AIDA Engineering, Ltd. | 137 |
1 |
| Amada Company, Limited | 624 |
1 |
| Amada Press Technology Co., Ltd. | 1 |
1 |
| Andritz Technology and Asset Management GmbH | 78 |
1 |
| Bosch Rexroth AG | 155 |
1 |
| Other owners | 35 |