- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 3/18 - Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
Patent holdings for IPC class C22B 3/18
Total number of patents in this class: 273
10-year publication summary
23
|
22
|
14
|
23
|
17
|
17
|
15
|
18
|
31
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Technological Resources Pty. Limited | 444 |
10 |
Bioheap Limited | 13 |
8 |
Mint Innovation Limited | 8 |
8 |
BHP Billiton SA Limited | 13 |
7 |
B.r.a.i.n. AG | 26 |
7 |
Galdieria Co., Ltd. | 8 |
7 |
Biosigma S.A. | 13 |
6 |
JX Nippon Mining & Metals Corporation | 1576 |
6 |
Osaka Prefecture University Public Corporation | 252 |
6 |
Servicios Condumex, S.A. de C.V. | 59 |
6 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
6 |
B.R.A.I.N. Biotechnology Research and Information Network AG | 32 |
5 |
Consolidated Nominees Proprietary Limited | 10 |
5 |
Freeport Minerals Corporation | 80 |
5 |
Shibaura Institute of Technology | 92 |
5 |
Lawrence Livermore National Security, LLC | 1834 |
4 |
BHP Chile Inc. | 18 |
4 |
CyPlus GmbH | 23 |
4 |
IHI Corporation | 3268 |
4 |
Kyushu University, National University Corporation | 1572 |
4 |
Other owners | 156 |