- 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 17/00 - Arrangement for using waste heat; Arrangement for using, or disposing of, waste gases
Patent holdings for IPC class F27D 17/00
Total number of patents in this class: 1058
10-year publication summary
81
|
70
|
77
|
81
|
69
|
58
|
80
|
73
|
83
|
35
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ThyssenKrupp AG | 3086 |
25 |
ThyssenKrupp Industrial Solutions AG | 729 |
24 |
JFE Steel Corporation | 6067 |
23 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
21 |
Primetals Technologies Austria GmbH | 479 |
16 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
14 |
FLSmidth A/S | 923 |
14 |
Paul Wurth S.A. | 392 |
13 |
Praxair Technology, Inc. | 1367 |
13 |
Holcim Technology Ltd. | 868 |
12 |
KHD Humboldt Wedag GmbH | 192 |
12 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
11 |
Mitsubishi Materials Corporation | 2378 |
11 |
Danieli Corus BV | 28 |
10 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
10 |
Nippon Steel Corporation | 5649 |
10 |
Siemens VAI Metals Technologies GmbH | 233 |
9 |
IHI Corporation | 3268 |
9 |
Institute of Process Engineering, Chinese Academy of Sciences | 250 |
9 |
JP Steel Plantech Co. | 80 |
9 |
Other owners | 783 |