- 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: 296
10-year publication summary
|
31
|
27
|
15
|
25
|
22
|
15
|
20
|
22
|
14
|
7
|
| 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 |
61 |
| Pyrotek, Inc. | 209 |
24 |
| Zmag, Ltd. | 20 |
15 |
| Altek Europe Limited | 36 |
14 |
| Novelis Inc. | 773 |
14 |
| ABB Schweiz AG | 7503 |
12 |
| Automotive Components Floby AB | 10 |
6 |
| Foseco International Limited | 214 |
5 |
| ArcelorMittal | 2555 |
4 |
| Ergolines Lab S.r.l. | 22 |
4 |
| Comptech Rheocasting I Skillingaryd AB | 5 |
4 |
| Central Motor Wheel Co., Ltd. | 90 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
3 |
| Hydro Aluminium Rolled Products GmbH | 113 |
3 |
| Mitsui Mining & Smelting Co., Ltd. | 1370 |
3 |
| Primetals Technologies Austria GmbH | 569 |
3 |
| Rio Tinto ALCAN International Limited | 218 |
3 |
| SMS Group GmbH | 1174 |
3 |
| Tenova S.p.A. | 155 |
3 |
| Tounetsu Co., Ltd. | 31 |
3 |
| Other owners | 106 |