- 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: 209
10-year publication summary
|
19
|
16
|
9
|
21
|
14
|
8
|
6
|
7
|
13
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6390 |
13 |
| President and Fellows of Harvard College | 6129 |
9 |
| Mitsubishi Electric Corporation | 48587 |
5 |
| Galloo Plastics | 7 |
4 |
| Infimer Technologies Ltd. | 5 |
4 |
| Virginia Tech Intellectual Properties, Inc. | 984 |
4 |
| Satake Chemical Equipment MFG Ltd. | 14 |
3 |
| Sumitomo Metal Mining Co., Ltd. | 2023 |
3 |
| Flavorscope LLC | 3 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
2 |
| Berry Plastics Corporation | 212 |
2 |
| IHI Corporation | 3561 |
2 |
| Impact Laboratories Ltd | 5 |
2 |
| Kurita Water Industries Ltd. | 1302 |
2 |
| Micropulva Ltd Oy | 4 |
2 |
| Previero N. S.r.l. | 27 |
2 |
| Republic Services, Inc. | 5 |
2 |
| SunCor Energy Inc. | 719 |
2 |
| William Marsh Rice University | 1092 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3318 |
2 |
| Other owners | 139 |