Patent holdings for IPC class F23D 11/40

Total number of patents in this class: 178

10-year publication summary

17
16
15
14
8
10
12
6
8
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ClearSign Technologies Corporation
52
17
GE Infrastructure Technology, LLC
6222
6
Hino Motors, Ltd.
345
5
Siemens AG
24484
4
Ansaldo Energia Switzerland AG
275
4
Enginetics, LLC
27
4
Sango Co., Ltd.
70
4
Truma Gerätetechnik GmbH & Co. KG
278
4
Webasto AG
275
4
Mitsubishi Power, Ltd.
1762
4
Honeywell International Inc.
13545
3
Robert Bosch GmbH
42689
3
Alstom Technology Ltd
1108
3
Air Products and Chemicals, Inc.
1423
3
BSH Bosch und Siemens Hausgerate GmbH
2909
3
General Electric Technology GmbH
1369
3
Saudi Arabian Oil Company
13155
3
Woodward, Inc.
645
3
Ecoflam Bruciatori S.p.A.
11
3
Capstone Green Energy LLC
5
3
Other owners 92