Patent holdings for IPC class F23D 14/78

Total number of patents in this class: 238

10-year publication summary

17
17
33
20
18
14
14
11
9
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Johns Manville
956
29
Siemens AG
24421
15
Rinnai Corporation
252
9
Mitsubishi Heavy Industries, Ltd.
8777
7
Collins Engine Nozzles, Inc.
284
7
Air Products and Chemicals, Inc.
1441
6
General Electric Company
13827
5
Kyungdong Navien Co., Ltd.
618
5
Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
170
5
Mitsubishi Power, Ltd.
1779
5
Corning Incorporated
10294
4
NOVA Chemicals (International) S.A.
777
4
Saint-Gobain Isover
639
4
GE Infrastructure Technology, LLC
6247
4
Linde GmbH
1256
4
Shell Internationale Research Maatschappij B.V.
3549
3
Berry Metal Company
52
3
Chugai Ro Co., Ltd.
130
3
Linde Aktiengesellschaft
1498
3
Owens-Brockway Glass Container Inc.
766
3
Other owners 110