- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 15/02 - Details, accessories or equipment specially adapted for furnaces of these types
Patent holdings for IPC class F27B 15/02
Total number of patents in this class: 54
10-year publication summary
|
6
|
2
|
2
|
1
|
1
|
1
|
3
|
2
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4239 |
3 |
| ThyssenKrupp AG | 3279 |
3 |
| thyssenkrupp Polysius GmbH | 130 |
3 |
| Rolls-Royce PLC | 3085 |
2 |
| Beijing Zhongkaihongde Technology Co., Ltd. | 23 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1655 |
2 |
| Ensyn Renewables, Inc. | 74 |
2 |
| Institute of Process Engineering, Chinese Academy of Sciences | 293 |
2 |
| Mitsubishi Materials Corporation | 2439 |
2 |
| Outotec Oyj | 279 |
2 |
| FLSmidth A/S | 773 |
2 |
| Metso Metals Oy | 202 |
2 |
| Lockheed Martin Corporation | 3276 |
1 |
| Alstom Technology Ltd | 1109 |
1 |
| AMEC Foster Wheeler Energia Oy | 23 |
1 |
| CITIC Heavy Industries Co., Ltd. | 2 |
1 |
| Doosan Lentjes GmbH | 47 |
1 |
| Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources | 105 |
1 |
| Holcim Technology Ltd. | 988 |
1 |
| Hydro-Quebec | 650 |
1 |
| Other owners | 19 |