- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27D - Details or accessories of furnaces, kilns, ovens, or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 9/00 - Cooling of furnaces or of charges therein
Patent holdings for IPC class F27D 9/00
Total number of patents in this class: 453
10-year publication summary
|
33
|
38
|
25
|
40
|
40
|
39
|
34
|
38
|
36
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHI Corporation | 3268 |
23 |
| Paul Wurth S.A. | 392 |
20 |
| Systems Spray Cooled, Inc. | 46 |
20 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
18 |
| Berry Metal Company | 52 |
8 |
| Zhongye Changtian International Engineering Co., Ltd. | 73 |
8 |
| Ebner Industrieofenbau GmbH | 132 |
7 |
| Macrae Technologies, Inc | 13 |
7 |
| Amerifab, Inc. | 50 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
6 |
| Illinois Tool Works Inc. | 11152 |
5 |
| ArcelorMittal | 1887 |
5 |
| Cockerill Maintenance & Ingenierie SA | 82 |
5 |
| Hatch Ltd. | 219 |
5 |
| Novelis Inc. | 656 |
5 |
| SMS Group GmbH | 1029 |
5 |
| Tata Steel Limited | 184 |
5 |
| Metso Metals Oy | 205 |
5 |
| Chugai Ro Co., Ltd. | 124 |
4 |
| Outotec Oyj | 318 |
4 |
| Other owners | 282 |