- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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 - Charging; Discharging; Manipulation of charge
Patent holdings for IPC class F27D 3/00
Total number of patents in this class: 598
10-year publication summary
|
64
|
71
|
50
|
45
|
39
|
50
|
44
|
37
|
39
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paul Wurth S.A. | 392 |
27 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
25 |
| Molten Metal Equipment Innovations, LLC | 96 |
25 |
| ASM IP Holding B.V. | 1715 |
18 |
| Primetals Technologies Austria GmbH | 479 |
16 |
| Tokyo Electron Limited | 11599 |
13 |
| Metso Metals Oy | 205 |
13 |
| POSCO | 2222 |
11 |
| Tenova S.p.A. | 150 |
9 |
| Ebner Industrieofenbau GmbH | 132 |
6 |
| Kobe Steel, Ltd. | 912 |
6 |
| Outotec (Finland) Oy | 491 |
6 |
| Pyrotek, Inc. | 193 |
6 |
| SMS Group GmbH | 1029 |
6 |
| Automotive Components Floby AB | 10 |
6 |
| Siemens VAI Metals Technologies GmbH | 233 |
5 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
5 |
| SMS Siemag Aktiengesellschaft | 529 |
5 |
| Tata Steel Limited | 184 |
5 |
| ThyssenKrupp AG | 3086 |
5 |
| Other owners | 380 |