- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 3/26 - Arrangements of heat-exchange apparatus
Patent holdings for IPC class F27B 3/26
Total number of patents in this class: 56
10-year publication summary
|
6
|
2
|
9
|
4
|
2
|
0
|
4
|
1
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amerifab, Inc. | 48 |
5 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3949 |
5 |
| ArcelorMittal | 2254 |
3 |
| Novelis Inc. | 113 |
3 |
| Praxair Technology, Inc. | 1311 |
3 |
| Tenova S.p.A. | 156 |
3 |
| American Air Liquide, Inc. | 249 |
2 |
| JP Steel Plantech Co. | 82 |
2 |
| Linde Aktiengesellschaft | 1517 |
2 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
2 |
| SMS Group GmbH | 1117 |
2 |
| Cometal Engineering S.p.A. | 6 |
2 |
| Siemens VAI Metals Technologies GmbH | 222 |
1 |
| Boe Technology Group Co., Ltd. | 40728 |
1 |
| Berry Metal Company | 52 |
1 |
| Centrum vedecko-technickych Informacii SR | 21 |
1 |
| FireBox Energy Systems Ltd. | 3 |
1 |
| Fives Stein | 105 |
1 |
| Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2558 |
1 |
| JFE Steel Corporation | 6806 |
1 |
| Other owners | 14 |