- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23M - Casings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridges; devices for deflecting air, flames or combustion products in combustion chambers; safety arrangements specially adapted for combustion apparatus; details of combustion chambers, not otherwise provided for
- F23M 5/08 - Cooling thereof; Tube walls
Patent holdings for IPC class F23M 5/08
Total number of patents in this class: 251
10-year publication summary
35
|
25
|
17
|
23
|
24
|
20
|
10
|
11
|
9
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rtx Corporation | 8674 |
26 |
United Technologies Corporation | 2328 |
21 |
8 Rivers Capital, LLC | 224 |
17 |
Siemens AG | 24990 |
10 |
Palmer Labs, LLC | 30 |
8 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
7 |
General Electric Company | 18133 |
5 |
Mokesys AG | 7 |
5 |
Rinnai Corporation | 204 |
5 |
Andritz Oy | 276 |
4 |
Berry Metal Company | 52 |
4 |
Doosan Heavy Industries & Construction Co., Ltd. | 604 |
4 |
Xi'an Thermal Power Research Institute Co., Ltd. | 244 |
4 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
Pratt & Whitney Canada Corp. | 4215 |
3 |
Blasch Precision Ceramics, Inc. | 36 |
3 |
Foster Wheeler Energia Oy | 53 |
3 |
Kyungdong Navien Co., Ltd. | 566 |
3 |
Saint-Gobain Centre de Recherches et d'Etudes Europeen | 475 |
3 |
GE Infrastructure Technology, LLC | 5873 |
3 |
Other owners | 110 |