Patent holdings for IPC class F27B 9/24

Total number of patents in this class: 398

10-year publication summary

24
34
32
9
31
24
28
29
31
17
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NGK Insulators, Ltd.
5239
21
NGK Kilntech, Corporation
28
14
IHI Corporation
3535
13
Ebner Industrieofenbau GmbH
142
10
Schwartz GmbH
60
10
Saint-Gobain Isover
678
9
Illinois Tool Works Inc.
11866
8
Chugai Ro Co., Ltd.
130
8
SMS Group GmbH
1200
8
Danieli & C. Officine Meccaniche S.p.A.
721
6
Research Institute of Industrial Science & Technology
569
6
E.t.i.a. Evaluation Technologique, Ingenierie et Applications
33
5
Sumitomo Electric Sintered Alloy, Ltd.
245
5
ThyssenKrupp Steel Europe AG
992
5
ArcelorMittal
2680
4
ITT Italia S.r.l.
166
4
Paul Wurth S.A.
430
4
Primetals Technologies Austria GmbH
575
4
ThyssenKrupp AG
3399
4
Vesuvius France S.A.
17
4
Other owners 246