- All sections
- B - Performing operations; transporting
- B03D - Flotation; differential sedimentation
- B03D 1/16 - Flotation machines with impellers; Subaeration machines
Patent holdings for IPC class B03D 1/16
Total number of patents in this class: 105
10-year publication summary
|
8
|
7
|
5
|
2
|
12
|
12
|
12
|
14
|
5
|
0
|
| 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 |
20 |
| Outotec (Finland) Oy | 491 |
13 |
| Outotec Oyj | 318 |
11 |
| FLSmidth A/S | 923 |
10 |
| China University of Mining and Technology | 1189 |
6 |
| Metso Minerals Oy | 152 |
5 |
| Virginia Tech Intellectual Properties, Inc. | 772 |
4 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
3 |
| Beijing General Research Institute of Mining and Metallurgy | 5 |
3 |
| Central South University | 364 |
2 |
| Eriez Manufacturing Co. | 88 |
2 |
| Omya International AG | 816 |
2 |
| Taiyuan University of Technology | 212 |
2 |
| TAKRAF GmbH | 63 |
2 |
| 2678380 Ontario Inc. | 3 |
2 |
| Cidra Corporate Services, Inc. | 208 |
1 |
| Jiangsu University | 950 |
1 |
| Mintek | 48 |
1 |
| North China University of Science and Technology | 71 |
1 |
| Outokumpu Technology Oy | 25 |
1 |
| Other owners | 13 |