Patent holdings for IPC class F23D 14/78

Total number of patents in this class: 224

10-year publication summary

10
19
19
38
24
19
15
14
12
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Johns Manville
980
29
Siemens AG
24990
15
Mitsubishi Heavy Industries, Ltd.
8217
7
Air Products and Chemicals, Inc.
1448
7
Rinnai Corporation
204
7
Collins Engine Nozzles, Inc.
264
6
Kyungdong Navien Co., Ltd.
566
5
Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
162
5
Mitsubishi Power, Ltd.
1680
5
General Electric Company
18133
4
Corning Incorporated
9932
4
NOVA Chemicals (International) S.A.
717
4
Saint-Gobain Isover
603
4
Taiyo Nippon Sanso Corporation
356
4
GE Infrastructure Technology, LLC
5873
4
Shell Internationale Research Maatschappij B.V.
3792
3
Berry Metal Company
52
3
Chugai Ro Co., Ltd.
124
3
Linde Aktiengesellschaft
1600
3
Systems Spray Cooled, Inc.
46
3
Other owners 99