- All sections
- C - Chemistrymetallurgy
- C21D - Modifying the physical structure of ferrous metalsgeneral devices for heat treatment of ferrous or non-ferrous metals or alloysmaking metal malleable, e.g. by decarburisation or tempering
- C21D 1/607 - Molten salts
Patent holdings for IPC class C21D 1/607
Total number of patents in this class: 27
10-year publication summary
|
4
|
3
|
0
|
2
|
3
|
0
|
2
|
1
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 9802 |
3 |
| ArcelorMittal Wire France | 42 |
2 |
| SMS Group GmbH | 1117 |
2 |
| GM Global Technology Operations LLC | 14926 |
1 |
| Hyundai Motor Company | 21795 |
1 |
| Kia Motors Corporation | 7758 |
1 |
| Asustek Computer Inc. | 1829 |
1 |
| Battelle Energy Alliance, LLC | 582 |
1 |
| Northwestern University | 3369 |
1 |
| Aktiebolaget SKF | 2931 |
1 |
| ArcelorMittal | 2254 |
1 |
| BDW Technologies GmbH | 8 |
1 |
| C.D. Waelzholz GmbH | 1 |
1 |
| Ebner Industrieofenbau GmbH | 142 |
1 |
| Jiangsu Yonggang Group Co., Ltd. | 11 |
1 |
| MAGNA BDW Technologies GmbH | 10 |
1 |
| Miba Frictec GmbH | 51 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
1 |
| PARKER NETSUSHORI KOGYO Co., Ltd. | 35 |
1 |
| Tata Steel Limited | 175 |
1 |
| Other owners | 3 |