Patent holdings for IPC class F27B 9/26

Total number of patents in this class: 104

10-year publication summary

5
6
1
4
9
11
9
5
9
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10504
6
Research Institute of Industrial Science & Technology
568
6
NGK Insulators, Ltd.
5236
5
IHI Corporation
3535
5
Koyo Thermo Systems Co., Ltd.
21
4
POSCO
2143
4
SMS Group GmbH
1197
4
POSCO Holdings Inc.
678
4
Metso USA, Inc.
178
3
Noritake Co., Limited
271
3
Saint-Gobain Ceramics & Plastics, Inc.
805
3
Schunk Ingenieurkeramik GmbH
28
3
POSCO Chemical Co., Ltd
67
3
NGK Kilntech, Corporation
28
3
Toyota Motor Corporation
35772
2
Sumitomo Chemical Company, Limited
9016
2
Hirata Corporation
357
2
IHI Machinery and Furnace Co., Ltd.
76
2
Metso Minerals Industries, Inc.
46
2
Tokuyama Corporation
1477
2
Other owners 36