- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23M - Casings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridgesdevices for deflecting air, flames or combustion products in combustion chamberssafety arrangements specially adapted for combustion apparatusdetails of combustion chambers, not otherwise provided for
- F23M 5/08 - Cooling thereofTube walls
Patent holdings for IPC class F23M 5/08
Total number of patents in this class: 249
10-year publication summary
|
25
|
17
|
23
|
23
|
20
|
10
|
11
|
9
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9395 |
26 |
| United Technologies Corporation | 2242 |
21 |
| 8 Rivers Capital, LLC | 235 |
17 |
| Siemens AG | 24461 |
9 |
| Palmer Labs, LLC | 29 |
8 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
7 |
| General Electric Company | 13808 |
5 |
| Mokesys AG | 7 |
5 |
| Rinnai Corporation | 249 |
5 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 342 |
5 |
| Berry Metal Company | 52 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8735 |
3 |
| Pratt & Whitney Canada Corp. | 4765 |
3 |
| Ebara Corporation | 2175 |
3 |
| Blasch Precision Ceramics, Inc. | 40 |
3 |
| Foster Wheeler Energia Oy | 47 |
3 |
| Kyungdong Navien Co., Ltd. | 617 |
3 |
| GE Infrastructure Technology, LLC | 6228 |
3 |
| Mitsubishi Power, Ltd. | 1764 |
3 |
| Other owners | 109 |