- 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: 691
10-year publication summary
|
50
|
45
|
39
|
50
|
45
|
43
|
47
|
43
|
41
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paul Wurth S.A. | 432 |
29 |
| Molten Metal Equipment Innovations, LLC | 100 |
28 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
21 |
| ASM IP Holding B.V. | 2397 |
18 |
| Primetals Technologies Austria GmbH | 573 |
18 |
| Metso Metals Oy | 224 |
14 |
| Tokyo Electron Limited | 13807 |
13 |
| POSCO | 2143 |
9 |
| SMS Group GmbH | 1197 |
8 |
| Tenova S.p.A. | 158 |
8 |
| Toyota Motor Corporation | 35772 |
6 |
| Kobe Steel, Ltd. | 899 |
6 |
| Outotec (Finland) Oy | 455 |
6 |
| Pyrotek, Inc. | 207 |
6 |
| ThyssenKrupp Steel Europe AG | 990 |
6 |
| Applied Materials, Inc. | 20375 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
5 |
| NGK Insulators, Ltd. | 5236 |
5 |
| Ebner Industrieofenbau GmbH | 142 |
5 |
| KHD Humboldt Wedag GmbH | 192 |
5 |
| Other owners | 470 |