- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 9/16 - Remelting metals
Patent holdings for IPC class C22B 9/16
Total number of patents in this class: 147
10-year publication summary
|
10
|
7
|
9
|
11
|
12
|
6
|
13
|
11
|
13
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 202 |
8 |
| Constellium Issoire | 218 |
6 |
| Air Products and Chemicals, Inc. | 1423 |
5 |
| Constellium Neuf-brisach | 136 |
5 |
| Techemet, LP, composed of Techemet Holdings, Inc., General Partner | 16 |
5 |
| Constellium Muscle Shoals LLC | 29 |
5 |
| Tounetsu Co., Ltd. | 28 |
4 |
| Hitachi Metals, Ltd. | 1983 |
3 |
| Norsk Hydro ASA | 260 |
3 |
| VDM Metals International GmbH | 104 |
3 |
| T&e Inc. | 6 |
3 |
| ALD Vacuum Technologies GmbH | 139 |
2 |
| ATI Properties, Inc. | 99 |
2 |
| Berry Metal Company | 52 |
2 |
| JX Nippon Mining & Metals Corporation | 1489 |
2 |
| Mitsubishi Materials Corporation | 2438 |
2 |
| Nippon Crucible Co., Ltd. | 38 |
2 |
| Equispheres Inc. | 16 |
2 |
| Bernegger GmbH | 9 |
2 |
| Hatch Küttner GmbH | 5 |
2 |
| Other owners | 79 |