F27B 3/105
Slag chamber
Official title: {Slag chamber}
F27B3/105 (Slag chamber) appears on 6 US grants and 10 published applications in this corpus.
Search patents in F27B- Granted patents
- 6
- Published applications
- 10
- Assignees
- 8
- Inventors
- 28
- Latest grant
- 13 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
- Electric furnace13 Feb 2024US 11,898,797 B2Nippon Steel Corporation
- Smelting apparatus and metallurgical processes thereof25 Apr 2023US 11,635,257 B2NSGI Steel Inc.
- Plasma furnace having lateral discharge gates9 Feb 2021US 10,914,523 B2Korea Hydro & Nuclear Power Co., Ltd.
- Slag discharge door device for an electric furnace30 May 2017US 9,664,444 B2Hyundai Steel Company
- Starting a smelting process12 Apr 2016US 9,309,579 B2Technological Resources Pty. Limited
- Electric furnace20 Mar 2025US 2025/0093100 A1Hyundai Steel Company
- Smelting apparatus and metallurgical processes thereof5 Oct 2023US 2023/0314076 A1NSGI Steel Inc.
- Foamy slag conditioner compound25 Jun 2020US 2020/0199696 A1Hickman, Williams & Company
- Smelting apparatus and metallurgical processes thereof18 Jun 2020US 2020/0191481 A1NSGI Steel Inc.
- Electric furnace12 Mar 2020US 2020/0080780 A1Nippon Steel Corporation
Most cited
By later US patents