- 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: 680
10-year publication summary
|
50
|
45
|
39
|
50
|
45
|
43
|
47
|
41
|
41
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Molten Metal Equipment Innovations, LLC | 100 |
28 |
| Paul Wurth S.A. | 430 |
28 |
| Danieli & C. Officine Meccaniche S.p.A. | 713 |
19 |
| ASM IP Holding B.V. | 2299 |
18 |
| Primetals Technologies Austria GmbH | 566 |
18 |
| Metso Metals Oy | 219 |
14 |
| Tokyo Electron Limited | 13561 |
13 |
| POSCO | 2153 |
9 |
| SMS Group GmbH | 1170 |
8 |
| Tenova S.p.A. | 155 |
8 |
| Toyota Motor Corporation | 34794 |
6 |
| Ebner Industrieofenbau GmbH | 143 |
6 |
| Kobe Steel, Ltd. | 896 |
6 |
| Outotec (Finland) Oy | 458 |
6 |
| Pyrotek, Inc. | 208 |
6 |
| ThyssenKrupp Steel Europe AG | 984 |
6 |
| Automotive Components Floby AB | 10 |
6 |
| Applied Materials, Inc. | 20085 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47518 |
5 |
| NGK Insulators, Ltd. | 5212 |
5 |
| Other owners | 460 |