- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 43/00 - Obtaining mercury
Patent holdings for IPC class C22B 43/00
Total number of patents in this class: 54
10-year publication summary
4
|
6
|
3
|
4
|
1
|
2
|
1
|
3
|
2
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tekran Instruments Corporation | 12 |
5 |
Petroliam Nasional Berhad (petronas) | 298 |
4 |
ConocoPhillips Company | 1657 |
3 |
Ecolab USA Inc. | 5190 |
3 |
AMS Trace Metals, Inc. | 21 |
2 |
Brown University | 576 |
2 |
Ethox Chemicals, LLC | 95 |
2 |
Mining and Process Solutions Pty Ltd | 11 |
2 |
ARQ Solutions (es), Inc. | 58 |
2 |
BASF SE | 19740 |
1 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Chevron U.S.A. Inc. | 3774 |
1 |
Thermo Fisher Scientific Inc. | 207 |
1 |
Aidance Skincare and Topical Solutions, LLC | 8 |
1 |
Alcoa of Australia Limited | 54 |
1 |
The Arizona Board of Regents on Behalf of the University of Arizona | 1906 |
1 |
Chengdu University of Technology | 85 |
1 |
Electrical Waste Recycling Group Limited | 3 |
1 |
Eth Zurich | 1193 |
1 |
Ibaraki University | 46 |
1 |
Other owners | 18 |