- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 1/00 - Preparing metal stock
Patent holdings for IPC class B21J 1/00
Total number of patents in this class: 75
10-year publication summary
|
13
|
1
|
11
|
2
|
3
|
3
|
2
|
1
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Swatch Group Research and Development Ltd | 878 |
5 |
| Apple Inc. | 58705 |
4 |
| Politechnika Warszawska | 88 |
4 |
| California Institute of Technology | 4043 |
3 |
| Smith & Nephew, Inc. | 2637 |
3 |
| Howmet Aerospace Inc. | 406 |
3 |
| Aubert & Duval | 114 |
2 |
| Constellium Issoire | 226 |
2 |
| Safran Aircraft Engines | 6671 |
2 |
| Swagelok Company | 316 |
2 |
| ThyssenKrupp Steel Europe AG | 989 |
2 |
| Heraeus Amloy Technologies GmbH | 26 |
2 |
| General Electric Company | 13888 |
1 |
| Robert Bosch GmbH | 44128 |
1 |
| GM Global Technology Operations LLC | 16106 |
1 |
| NGK Insulators, Ltd. | 5232 |
1 |
| Rolls-Royce PLC | 3219 |
1 |
| Acushnet Company | 2699 |
1 |
| NSK Ltd. | 2831 |
1 |
| Komatsu Ltd. | 4703 |
1 |
| Other owners | 33 |