Patent holdings for IPC class F23D 14/70

Total number of patents in this class: 369

10-year publication summary

32
22
30
34
26
31
30
24
21
13
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ClearSign Technologies Corporation
53
13
Kyungdong Navien Co., Ltd.
643
10
Rheem Manufacturing Company
1019
10
Siemens AG
24029
8
Edwards Limited
774
7
General Electric Company
13899
6
Noritz Corporation
290
6
Selas Heat Technology Company LLC
44
6
Bekaert Combustion Technology B.V.
61
5
Lennox Industries Inc.
1105
5
Rinnai Corporation
282
5
Zeeco, Inc.
42
5
GE Infrastructure Technology, LLC
6171
5
Northrop Grumman Systems Corporation
2921
4
ExxonMobil Chemical Patents Inc.
3776
4
Carrier Corporation
3955
4
Astec, Inc.
50
4
ClearSign Combustion Corporation
110
4
Fives Pillard
49
4
GasTech Engineering LLC, FORMERLY GasTech Engineering Corp.
6
4
Other owners 250