- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open 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: 54
10-year publication summary
0
|
6
|
2
|
9
|
4
|
2
|
0
|
4
|
1
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Amerifab, Inc. | 50 |
5 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
5 |
Novelis Inc. | 130 |
4 |
Praxair Technology, Inc. | 1367 |
3 |
Tenova S.p.A. | 150 |
3 |
American Air Liquide, Inc. | 223 |
2 |
ArcelorMittal | 1887 |
2 |
JP Steel Plantech Co. | 80 |
2 |
Linde Aktiengesellschaft | 1600 |
2 |
Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
2 |
SMS Group GmbH | 1029 |
2 |
Siemens VAI Metals Technologies GmbH | 233 |
1 |
Boe Technology Group Co., Ltd. | 35384 |
1 |
Berry Metal Company | 52 |
1 |
Centrum vedecko-technickych Informacii SR | 21 |
1 |
Daou, Rafic Boulos | 1 |
1 |
FireBox Energy Systems Ltd. | 4 |
1 |
Fives Stein | 96 |
1 |
Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2483 |
1 |
JFE Steel Corporation | 6067 |
1 |
Other owners | 13 |