- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 14/04 - Crucible or pot furnacesTank 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: 70
10-year publication summary
|
10
|
3
|
7
|
1
|
1
|
5
|
3
|
9
|
9
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Doggone Investment Co. LLC | 17 |
7 |
| NTT Co., Ltd. | 7 |
3 |
| ALD Vacuum Technologies GmbH | 139 |
2 |
| Betek GmbH & Co. KG | 144 |
2 |
| Kunming University of Science and Technology | 177 |
2 |
| Continuum Powders Corporation | 28 |
2 |
| Centre National de La Recherche Scientifique | 10408 |
1 |
| Panasonic Corporation | 20142 |
1 |
| LG Innotek Co., Ltd. | 7590 |
1 |
| A. Finkl & Sons Co. | 84 |
1 |
| Australian Nuclear Science and Technology Organisation | 69 |
1 |
| Baytech Corporation | 1 |
1 |
| BIOTRONIK AG | 420 |
1 |
| BYD Company Limited | 4941 |
1 |
| China Aluminum International Engineering Corporation Limited | 89 |
1 |
| Chubu University Educational Foundation | 100 |
1 |
| Consarc Corporation | 9 |
1 |
| Crucible Intellectual Property, LLC | 90 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 715 |
1 |
| Fukuda Crystal Laboratory | 10 |
1 |
| Other owners | 38 |