- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 19/04 - Combinations of different kinds of furnaces that are not all covered by any single one of main groups arranged for associated working
Patent holdings for IPC class F27B 19/04
Total number of patents in this class: 57
10-year publication summary
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0
|
3
|
3
|
3
|
2
|
4
|
4
|
3
|
3
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Corning Museum of Glass | 12 |
5 |
| Spiral Arts Inc | 5 |
5 |
| Nippon Steel Corporation | 6018 |
3 |
| Siemens VAI Metals Technologies GmbH | 226 |
2 |
| SMS Group GmbH | 1080 |
2 |
| ThyssenKrupp AG | 3208 |
2 |
| China ENFI Engineering Corp. | 97 |
2 |
| Xi'an Aojie Electric Heating Equipment Engineering Co., Ltd | 3 |
2 |
| Sichuan Chuanheng Chemical Corporation | 2 |
2 |
| Zhejiang Bainai Steel Strip Co., Ltd. | 2 |
2 |
| thyssenkrupp Polysius GmbH | 96 |
2 |
| Metso Metals Oy | 223 |
2 |
| Illinois Tool Works Inc. | 11404 |
1 |
| Honda Motor Co., Ltd. | 24878 |
1 |
| Siemens AG | 24568 |
1 |
| Hyundai Motor Company | 20512 |
1 |
| Corning Incorporated | 10139 |
1 |
| Kia Motors Corporation | 7777 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
1 |
| East China University of Science and Technology | 494 |
1 |
| Other owners | 18 |