- All sections
- B - Performing operations; transporting
- B03D - Flotation; differential sedimentation
- B03D 1/02 - Froth-flotation processes
Patent holdings for IPC class B03D 1/02
Total number of patents in this class: 842
10-year publication summary
|
70
|
62
|
58
|
83
|
62
|
84
|
64
|
68
|
47
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Outotec Finland Oy | 795 |
49 |
| Cidra Corporate Services, Inc. | 208 |
31 |
| Outotec (Finland) Oy | 491 |
31 |
| Cidra Corporate Services, LLC | 91 |
30 |
| Ecolab USA Inc. | 5190 |
26 |
| China University of Mining and Technology | 1189 |
23 |
| BASF SE | 19740 |
18 |
| Fort Hills Energy L.P. | 83 |
13 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
12 |
| FLSmidth A/S | 923 |
11 |
| Clariant International Ltd. | 978 |
10 |
| Eriez Manufacturing Co. | 88 |
10 |
| Nouryon Chemicals International B.V. | 508 |
10 |
| Metso Minerals Oy | 152 |
9 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 331 |
9 |
| Outotec Oyj | 318 |
9 |
| SunCor Energy Inc. | 838 |
9 |
| Akzo Nobel Chemicals International B.V. | 520 |
8 |
| Imperial Oil Resources Limited | 182 |
8 |
| Siemens AG | 24990 |
7 |
| Other owners | 509 |