- 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: 247
10-year publication summary
|
25
|
17
|
23
|
24
|
20
|
10
|
11
|
9
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9077 |
26 |
| United Technologies Corporation | 2259 |
21 |
| 8 Rivers Capital, LLC | 239 |
17 |
| Siemens AG | 24572 |
10 |
| Palmer Labs, LLC | 30 |
8 |
| Mitsubishi Hitachi Power Systems, Ltd. | 995 |
7 |
| General Electric Company | 17803 |
5 |
| Mokesys AG | 7 |
5 |
| Rinnai Corporation | 231 |
5 |
| Berry Metal Company | 52 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 585 |
4 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 293 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
3 |
| Pratt & Whitney Canada Corp. | 4434 |
3 |
| Ebara Corporation | 2078 |
3 |
| Blasch Precision Ceramics, Inc. | 36 |
3 |
| Foster Wheeler Energia Oy | 49 |
3 |
| Kyungdong Navien Co., Ltd. | 594 |
3 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 485 |
3 |
| GE Infrastructure Technology, LLC | 6109 |
3 |
| Other owners | 107 |