- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open sintering or like apparatus
- F27B 14/04 - Crucible or pot furnaces; Tank furnaces adapted for treating the charge in vacuum or special atmosphere
Patent holdings for IPC class F27B 14/04
Total number of patents in this class: 59
10-year publication summary
|
7
|
10
|
3
|
7
|
1
|
1
|
5
|
3
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTT Co., Ltd. | 7 |
3 |
| A. Finkl & Sons Co. | 85 |
2 |
| ALD Vacuum Technologies GmbH | 138 |
2 |
| Betek GmbH & Co. KG | 140 |
2 |
| Kunming University of Science and Technology | 117 |
2 |
| Molyworks Materials Corp. | 26 |
2 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| Panasonic Corporation | 20786 |
1 |
| LG Innotek Co., Ltd. | 6758 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
1 |
| Australian Nuclear Science and Technology Organisation | 71 |
1 |
| BIOTRONIK AG | 387 |
1 |
| BYD Company Limited | 3700 |
1 |
| China Aluminum International Engineering Corporation Limited | 81 |
1 |
| Chubu University Educational Foundation | 90 |
1 |
| Consarc Corporation | 13 |
1 |
| Crucible Intellectual Property, LLC | 93 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
1 |
| DeguDent GmbH | 238 |
1 |
| Fukuda Crystal Laboratory | 11 |
1 |
| Other owners | 32 |