- All sections
- C - Chemistry; metallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/043 - 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 silicon as the next major constituent
Patent holdings for IPC class C22F 1/043
Total number of patents in this class: 584
10-year publication summary
|
44
|
60
|
80
|
42
|
50
|
51
|
44
|
54
|
58
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 656 |
56 |
| UACJ Corporation | 631 |
45 |
| Nippon Light Metal Company, Ltd. | 645 |
24 |
| Constellium Neuf-brisach | 115 |
22 |
| The Furukawa Electric Co., Ltd. | 3486 |
21 |
| Arconic Technologies LLC | 219 |
16 |
| Furukawa Automotive Systems Inc. | 558 |
14 |
| Showa Denko K.K. | 2539 |
11 |
| GM Global Technology Operations LLC | 13620 |
10 |
| KSM Castings Group GmbH | 72 |
9 |
| Constellium SINGEN GmbH | 79 |
8 |
| Ford Global Technologies, LLC | 19702 |
7 |
| Alcoa USA Corp. | 187 |
7 |
| Hydro Aluminium Rolled Products GmbH | 118 |
7 |
| Audi AG | 7153 |
6 |
| Rheinfelden Alloys GmbH & Co. KG | 19 |
6 |
| Arconic Technologies LLC | 95 |
6 |
| Alloy Enterprises, Inc. | 20 |
6 |
| The Boeing Company | 19843 |
5 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
5 |
| Other owners | 293 |