- All sections
- B - Performing operationstransporting
- B03B - Separating solid materials using liquids or using pneumatic tables or jigs
- B03B 5/28 - Washing granular, powdered or lumpy materialsWet separating by sink-float separation
Patent holdings for IPC class B03B 5/28
Total number of patents in this class: 206
10-year publication summary
|
18
|
15
|
9
|
18
|
12
|
7
|
4
|
6
|
11
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6300 |
13 |
| President and Fellows of Harvard College | 6068 |
9 |
| Mitsubishi Electric Corporation | 47483 |
4 |
| Galloo Plastics | 7 |
4 |
| Infimer Technologies Ltd. | 6 |
4 |
| Virginia Tech Intellectual Properties, Inc. | 937 |
4 |
| Satake Chemical Equipment MFG Ltd. | 15 |
3 |
| Sumitomo Metal Mining Co., Ltd. | 1922 |
3 |
| Flavorscope LLC | 3 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3801 |
2 |
| Berry Plastics Corporation | 229 |
2 |
| IHI Corporation | 3505 |
2 |
| Impact Laboratories Ltd | 5 |
2 |
| Kurita Water Industries Ltd. | 1251 |
2 |
| Micropulva Ltd Oy | 4 |
2 |
| Previero N. S.r.l. | 23 |
2 |
| Republic Services, Inc. | 5 |
2 |
| SunCor Energy Inc. | 746 |
2 |
| William Marsh Rice University | 1059 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3173 |
2 |
| Other owners | 137 |