- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23C - Methods or apparatus for combustion using fluid fuel or solid fuel suspended in air
- F23C 3/00 - Combustion apparatus characterised by the shape of the combustion chamber
Patent holdings for IPC class F23C 3/00
Total number of patents in this class: 344
10-year publication summary
|
25
|
30
|
29
|
28
|
22
|
21
|
20
|
13
|
16
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 933 |
14 |
| WS Warmeprozesstechnik GmbH | 41 |
13 |
| IHI Corporation | 3494 |
9 |
| Saint-Gobain Isover | 636 |
9 |
| JFE Steel Corporation | 7173 |
8 |
| Corning Incorporated | 10380 |
7 |
| Fives Stein | 106 |
7 |
| Knauf Insulation | 50 |
7 |
| Knauf Insulation SPRL | 175 |
7 |
| Rheem Manufacturing Company | 983 |
6 |
| Saint-Gobain Ceramics & Plastics, Inc. | 809 |
6 |
| GasTech Engineering LLC, FORMERLY GasTech Engineering Corp. | 6 |
5 |
| Schwank G.m.b.H. | 41 |
5 |
| Chugai Ro Co., Ltd. | 127 |
4 |
| Lochinvar, LLC | 113 |
4 |
| Owens-Brockway Glass Container Inc. | 791 |
4 |
| Selas Heat Technology Company LLC | 44 |
4 |
| ROCKWOOL International A/S | 297 |
4 |
| Rockwool A/S | 815 |
4 |
| Uop LLC | 4275 |
3 |
| Other owners | 214 |