- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27D - Details or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 3/00 - ChargingDischargingManipulation of charge
Patent holdings for IPC class F27D 3/00
Total number of patents in this class: 636
10-year publication summary
|
71
|
50
|
45
|
39
|
50
|
45
|
40
|
42
|
39
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Molten Metal Equipment Innovations, LLC | 98 |
28 |
| Paul Wurth S.A. | 416 |
26 |
| ASM IP Holding B.V. | 2041 |
18 |
| Danieli & C. Officine Meccaniche S.p.A. | 710 |
18 |
| Primetals Technologies Austria GmbH | 525 |
17 |
| Metso Metals Oy | 197 |
13 |
| Tokyo Electron Limited | 12571 |
12 |
| POSCO | 2189 |
9 |
| Tenova S.p.A. | 156 |
9 |
| SMS Group GmbH | 1113 |
8 |
| Toyota Motor Corporation | 31565 |
6 |
| Ebner Industrieofenbau GmbH | 142 |
6 |
| Kobe Steel, Ltd. | 871 |
6 |
| Outotec (Finland) Oy | 480 |
6 |
| Pyrotek, Inc. | 201 |
6 |
| ThyssenKrupp Steel Europe AG | 950 |
6 |
| Automotive Components Floby AB | 10 |
6 |
| Korea Hydro & Nuclear Power Co., Ltd. | 449 |
5 |
| SMS Siemag Aktiengesellschaft | 507 |
5 |
| ThyssenKrupp AG | 3271 |
5 |
| Other owners | 421 |