- All sections
- B - Performing operations; transporting
- B23K - Soldering or unsoldering; welding; cladding or plating by soldering or welding; cutting by applying heat locally, e.g. flame cutting; working by laser beam
- B23K 20/04 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
Patent holdings for IPC class B23K 20/04
Total number of patents in this class: 294
10-year publication summary
|
20
|
21
|
39
|
33
|
33
|
28
|
24
|
13
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyo Kohan Co., Ltd. | 413 |
24 |
| JFE Steel Corporation | 6067 |
20 |
| Hitachi Metals, Ltd. | 2175 |
17 |
| UACJ Corporation | 631 |
16 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
13 |
| ThyssenKrupp Steel Europe AG | 924 |
13 |
| ThyssenKrupp AG | 3086 |
10 |
| Wickeder Westfalenstahl GmbH | 27 |
7 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
6 |
| SMS Group GmbH | 1029 |
6 |
| Hydro Aluminium Rolled Products GmbH | 118 |
5 |
| Proterial, Ltd. | 638 |
5 |
| Alinox AG | 6 |
4 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
4 |
| Neomax Materials Co., Ltd. | 53 |
4 |
| Nippon Steel Corporation | 5649 |
4 |
| NIPPON STEEL Stainless Steel Corporation | 254 |
4 |
| ATI Properties LLC | 202 |
3 |
| Materion Corporation | 293 |
3 |
| Sumitomo Electric Industries, Ltd. | 14131 |
2 |
| Other owners | 124 |