F27D 2013/007
Apparatus for preheating charges: using a rotary furnace
Official title: {using a rotary furnace}
F27D2013/007 (Apparatus for preheating charges: using a rotary furnace) appears on 4 US grants and 7 published applications in this corpus.
Search patents in F27D- Granted patents
- 4
- Published applications
- 7
- Assignees
- 5
- Inventors
- 19
- Latest grant
- 14 Apr 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Method of producing cement clinker and a second calcined material5 Jan 2023US 2023/0002277 A1Holcim Technology Ltd
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No patent in this class has been cited by a later US patent yet.