- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 1/216 - Sintering; Agglomerating in rotary furnaces
Patent holdings for IPC class C22B 1/216
Total number of patents in this class: 20
10-year publication summary
|
2
|
0
|
2
|
2
|
0
|
1
|
0
|
5
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
5 |
| Adelaide Control Engineers Pty Ltd. | 8 |
4 |
| Zhongye Changtian International Engineering Co., Ltd. | 73 |
2 |
| Aurubis AG | 56 |
1 |
| Fundacao de Amparo a Pesquisa do Estado de Sao Paulo | 15 |
1 |
| Nippon Steel Corporation | 5649 |
1 |
| Nu-Iron Technology, LLC | 44 |
1 |
| Outotec (Finland) Oy | 491 |
1 |
| Vale S.A. | 262 |
1 |
| Shandong Molong Petroleum Machinery Co., Ltd. | 22 |
1 |
| Instituto de Pesquisas Tecnològicas do est. de S. Paulo S/A - IPT | 1 |
1 |
| Paya Sanat Sama Co. | 1 |
1 |
| Other owners | 0 |