- 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: 339
10-year publication summary
|
42
|
26
|
32
|
31
|
28
|
22
|
23
|
24
|
14
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 954 |
15 |
| WS Warmeprozesstechnik GmbH | 40 |
13 |
| IHI Corporation | 3402 |
9 |
| Saint-Gobain Isover | 627 |
9 |
| JFE Steel Corporation | 6730 |
8 |
| Corning Incorporated | 10200 |
7 |
| Fives Stein | 102 |
7 |
| Knauf Insulation | 49 |
7 |
| Knauf Insulation SPRL | 173 |
7 |
| Rheem Manufacturing Company | 968 |
6 |
| Schwank G.m.b.H. | 43 |
6 |
| GasTech Engineering LLC, FORMERLY GasTech Engineering Corp. | 6 |
5 |
| Saint-Gobain Ceramics & Plastics, Inc. | 843 |
5 |
| Chugai Ro Co., Ltd. | 126 |
4 |
| Lochinvar, LLC | 111 |
4 |
| Owens-Brockway Glass Container Inc. | 754 |
4 |
| ROCKWOOL International A/S | 307 |
4 |
| Uop LLC | 4208 |
3 |
| Air Products and Chemicals, Inc. | 1400 |
3 |
| Drever International S.A. | 8 |
3 |
| Other owners | 210 |