- 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
|
47
|
31
|
27
|
15
|
25
|
22
|
15
|
20
|
20
|
12
|
| 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 |
61 |
| Pyrotek, Inc. | 201 |
23 |
| Novelis Inc. | 735 |
15 |
| Zmag, Ltd. | 18 |
15 |
| Altek Europe Limited | 37 |
14 |
| ABB Schweiz AG | 6896 |
12 |
| Automotive Components Floby AB | 10 |
6 |
| ArcelorMittal | 2248 |
4 |
| Ergolines Lab S.r.l. | 23 |
4 |
| Rio Tinto ALCAN International Limited | 216 |
4 |
| Comptech Rheocasting I Skillingaryd AB | 6 |
4 |
| Central Motor Wheel Co., Ltd. | 90 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 710 |
3 |
| Foseco International Limited | 212 |
3 |
| Hydro Aluminium Rolled Products GmbH | 117 |
3 |
| Mitsui Mining & Smelting Co., Ltd. | 1470 |
3 |
| Primetals Technologies Austria GmbH | 525 |
3 |
| SMS Group GmbH | 1113 |
3 |
| Tenova S.p.A. | 156 |
3 |
| Tounetsu Co., Ltd. | 28 |
3 |
| Other owners | 104 |