- 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: 64
10-year publication summary
|
3
|
3
|
3
|
2
|
4
|
4
|
3
|
3
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
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 | 7098 |
3 |
| ThyssenKrupp AG | 3333 |
3 |
| thyssenkrupp Polysius GmbH | 171 |
3 |
| Siemens VAI Metals Technologies GmbH | 200 |
2 |
| SMS Group GmbH | 1214 |
2 |
| China ENFI Engineering Corp. | 120 |
2 |
| Sichuan Chuanheng Chemical Corporation | 2 |
2 |
| Wisdri Engineering & Research Incorporation Limited | 231 |
2 |
| Zhejiang Bainai Steel Strip Co., Ltd. | 2 |
2 |
| Metso Metals Oy | 226 |
2 |
| Cbmi Construction Co., Ltd. | 24 |
2 |
| Illinois Tool Works Inc. | 11902 |
1 |
| Honda Motor Co., Ltd. | 26657 |
1 |
| Siemens AG | 23934 |
1 |
| Hyundai Motor Company | 25119 |
1 |
| Corning Incorporated | 10558 |
1 |
| Kia Motors Corporation | 7713 |
1 |
| East China University of Science and Technology | 565 |
1 |
| Other owners | 22 |