- 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 27/00 - Stirring devices for molten material
Patent holdings for IPC class F27D 27/00
Total number of patents in this class: 293
10-year publication summary
|
43
|
30
|
26
|
14
|
22
|
18
|
13
|
18
|
18
|
13
|
| 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 | 100 |
61 |
| Pyrotek, Inc. | 202 |
23 |
| Novelis Inc. | 767 |
15 |
| Zmag, Ltd. | 19 |
15 |
| Altek Europe Limited | 36 |
14 |
| ABB Schweiz AG | 7162 |
12 |
| Automotive Components Floby AB | 10 |
6 |
| ArcelorMittal | 2384 |
4 |
| Ergolines Lab S.r.l. | 23 |
4 |
| Foseco International Limited | 212 |
4 |
| Rio Tinto ALCAN International Limited | 217 |
4 |
| Comptech Rheocasting I Skillingaryd AB | 6 |
4 |
| Central Motor Wheel Co., Ltd. | 91 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 715 |
3 |
| Hydro Aluminium Rolled Products GmbH | 117 |
3 |
| Mitsui Mining & Smelting Co., Ltd. | 1508 |
3 |
| Primetals Technologies Austria GmbH | 548 |
3 |
| SMS Group GmbH | 1141 |
3 |
| Tenova S.p.A. | 154 |
3 |
| Tounetsu Co., Ltd. | 30 |
3 |
| Other owners | 103 |