- 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 27/00 - Stirring devices for molten material
Patent holdings for IPC class F27D 27/00
Total number of patents in this class: 281
10-year publication summary
30
|
47
|
31
|
27
|
15
|
25
|
22
|
15
|
20
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Molten Metal Equipment Innovations, LLC | 96 |
59 |
Pyrotek, Inc. | 193 |
22 |
Altek Europe Limited | 37 |
14 |
Novelis Inc. | 656 |
13 |
Zmag, Ltd. | 15 |
13 |
ABB Schweiz AG | 6321 |
12 |
Takahashi, Kenzo | 16 |
9 |
Automotive Components Floby AB | 10 |
6 |
Ergolines Lab S.r.l. | 21 |
4 |
Rio Tinto ALCAN International Limited | 214 |
4 |
Central Motor Wheel Co., Ltd. | 92 |
3 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
3 |
Foseco International Limited | 204 |
3 |
Hydro Aluminium Rolled Products GmbH | 118 |
3 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
3 |
Tenova S.p.A. | 150 |
3 |
Codelcotec SpA | 11 |
3 |
Comptech Rheocasting I Skillingaryd AB | 5 |
3 |
Air Products and Chemicals, Inc. | 1448 |
2 |
ABB Research Ltd. | 953 |
2 |
Other owners | 97 |