- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open 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: 59
10-year publication summary
|
9
|
0
|
3
|
3
|
3
|
2
|
4
|
4
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
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 | 5649 |
3 |
| Siemens VAI Metals Technologies GmbH | 233 |
2 |
| SMS Group GmbH | 1029 |
2 |
| China ENFI Engineering Corp. | 91 |
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 |
| Metso Metals Oy | 205 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Siemens AG | 24990 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Corning Incorporated | 9932 |
1 |
| ExxonMobil Chemical Patents Inc. | 4286 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
1 |
| East China University of Science and Technology | 473 |
1 |
| Erasteel | 25 |
1 |
| Other owners | 22 |