- 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: 61
10-year publication summary
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2
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2
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1
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1
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1
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3
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2
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5
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3
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5
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Metals Oy | 225 |
4 |
| Uop LLC | 4390 |
3 |
| ThyssenKrupp AG | 3386 |
3 |
| thyssenkrupp Polysius GmbH | 167 |
3 |
| Rolls-Royce PLC | 3225 |
2 |
| Beijing Zhongkaihongde Technology Co., Ltd. | 23 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1647 |
2 |
| Ensyn Renewables, Inc. | 74 |
2 |
| Institute of Process Engineering, Chinese Academy of Sciences | 329 |
2 |
| Mitsubishi Materials Corporation | 2476 |
2 |
| United States Gypsum Company | 930 |
2 |
| FLSmidth A/S | 786 |
2 |
| Lockheed Martin Corporation | 3258 |
1 |
| Alstom Technology Ltd | 1037 |
1 |
| AMEC Foster Wheeler Energia Oy | 23 |
1 |
| ArcelorMittal | 2695 |
1 |
| CITIC Heavy Industries Co., Ltd. | 2 |
1 |
| Doosan Lentjes GmbH | 49 |
1 |
| Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources | 105 |
1 |
| Hydro-Quebec | 633 |
1 |
| Other owners | 24 |