- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
Patent holdings for IPC class C22F 1/047
Total number of patents in this class: 743
10-year publication summary
|
71
|
85
|
68
|
55
|
53
|
52
|
58
|
58
|
45
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 751 |
105 |
| UACJ Corporation | 695 |
85 |
| The Furukawa Electric Co., Ltd. | 3652 |
32 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2874 |
27 |
| Arconic Technologies LLC | 337 |
24 |
| Nippon Light Metal Company, Ltd. | 661 |
20 |
| Novelis Koblenz GmbH | 86 |
17 |
| Constellium Issoire | 217 |
11 |
| Speira GmbH | 115 |
11 |
| AMAG rolling GmbH | 43 |
10 |
| Furukawa Automotive Systems Inc. | 589 |
10 |
| Alcoa Inc. | 290 |
9 |
| Aleris Rolled Products Germany GmbH | 62 |
9 |
| Hydro Aluminium Rolled Products GmbH | 117 |
9 |
| Norsk Hydro ASA | 257 |
9 |
| Honeywell International Inc. | 13553 |
8 |
| Constellium Neuf-brisach | 136 |
8 |
| NanoAl LLC | 35 |
7 |
| Honda Motor Co., Ltd. | 25274 |
6 |
| GM Global Technology Operations LLC | 15062 |
6 |
| Other owners | 320 |