- 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: 69
10-year publication summary
|
5
|
13
|
1
|
11
|
2
|
3
|
3
|
2
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Swatch Group Research and Development Ltd | 842 |
5 |
| Apple Inc. | 54658 |
4 |
| California Institute of Technology | 3973 |
3 |
| Smith & Nephew, Inc. | 2682 |
3 |
| Howmet Aerospace Inc. | 381 |
3 |
| Aubert & Duval | 111 |
2 |
| Constellium Issoire | 219 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2876 |
2 |
| Swagelok Company | 320 |
2 |
| ThyssenKrupp Steel Europe AG | 954 |
2 |
| Heraeus Amloy Technologies GmbH | 24 |
2 |
| General Electric Company | 13811 |
1 |
| Honeywell International Inc. | 13525 |
1 |
| GM Global Technology Operations LLC | 14968 |
1 |
| NGK Insulators, Ltd. | 4941 |
1 |
| Rolls-Royce PLC | 3085 |
1 |
| Acushnet Company | 2498 |
1 |
| NTN Corporation | 4983 |
1 |
| NSK Ltd. | 2770 |
1 |
| Komatsu Ltd. | 4528 |
1 |
| Other owners | 30 |