- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 15/18 - Arrangements of controlling devices
Patent holdings for IPC class F27B 15/18
Total number of patents in this class: 27
10-year publication summary
3
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0
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0
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0
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0
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1
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3
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2
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2
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2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hatch Ltd. | 214 |
3 |
IHI Corporation | 3426 |
3 |
Luossavaara-Kiirunavaara AB | 115 |
3 |
Rolls-Royce PLC | 3094 |
2 |
Beijing Zhongkaihongde Technology Co., Ltd. | 23 |
2 |
Institute of Process Engineering, Chinese Academy of Sciences | 294 |
2 |
ThyssenKrupp AG | 3283 |
2 |
United States Gypsum Company | 898 |
2 |
thyssenkrupp Polysius GmbH | 130 |
2 |
Siemens VAI Metals Technologies GmbH | 222 |
1 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3975 |
1 |
Primetals Technologies Austria GmbH | 532 |
1 |
Rensselaer Polytechnic Institute | 822 |
1 |
Automotive Components Floby AB | 10 |
1 |
Yunnan TIN Co. Ltd. TIN Branch | 9 |
1 |
Other owners | 0 |