- All sections
- C - Chemistry; metallurgy
- 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: 657
10-year publication summary
|
53
|
71
|
85
|
68
|
55
|
54
|
50
|
59
|
53
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 656 |
88 |
| UACJ Corporation | 631 |
68 |
| The Furukawa Electric Co., Ltd. | 3486 |
30 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
28 |
| Nippon Light Metal Company, Ltd. | 645 |
22 |
| Arconic Technologies LLC | 219 |
18 |
| Novelis Koblenz GmbH | 93 |
17 |
| Constellium Issoire | 208 |
11 |
| AMAG rolling GmbH | 46 |
10 |
| Furukawa Automotive Systems Inc. | 558 |
10 |
| Alcoa Inc. | 323 |
9 |
| Aleris Rolled Products Germany GmbH | 62 |
9 |
| Hydro Aluminium Rolled Products GmbH | 118 |
9 |
| Honeywell International Inc. | 13799 |
8 |
| Norsk Hydro ASA | 288 |
8 |
| Honda Motor Co., Ltd. | 24537 |
7 |
| NanoAl LLC | 34 |
7 |
| Aleris Aluminum Duffel BVBA | 36 |
6 |
| Benteler Automobiltechnik GmbH | 258 |
6 |
| Constellium Neuf-brisach | 115 |
6 |
| Other owners | 280 |