- 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 5/04 - Supports for linings
Patent holdings for IPC class F23M 5/04
Total number of patents in this class: 134
10-year publication summary
|
6
|
12
|
12
|
10
|
6
|
3
|
4
|
6
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9843 |
25 |
| United Technologies Corporation | 2220 |
18 |
| Siemens AG | 24240 |
12 |
| Brand Shared Services LLC | 129 |
11 |
| Siemens Energy Global GmbH & Co. KG | 3236 |
5 |
| Rolls-Royce Corporation | 1680 |
4 |
| General Electric Company | 13818 |
3 |
| Blasch Precision Ceramics, Inc. | 40 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1133 |
3 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 492 |
3 |
| Total Raffinage Chimie | 132 |
3 |
| Zampell Refractories, Inc. | 15 |
3 |
| Rolls-Royce PLC | 3178 |
2 |
| ATI Properties LLC | 201 |
2 |
| Mokesys AG | 7 |
2 |
| Refractory Intellectual Property GmbH & Co. KG | 558 |
2 |
| Hkh Development B.V. | 4 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3187 |
2 |
| Totalenergies Onetech | 1490 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5169 |
1 |
| Other owners | 26 |