- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 59/50 - Separation involving two or more processes covered by different groups selected from groups , , , , , , , ,
Patent holdings for IPC class B01D 59/50
Total number of patents in this class: 105
10-year publication summary
|
11
|
4
|
5
|
5
|
2
|
5
|
2
|
1
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ibiden Co., Ltd. | 1724 |
5 |
| Donaldson Company, Inc. | 1513 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Caterpillar Inc. | 8877 |
3 |
| NGK Insulators, Ltd. | 4589 |
3 |
| MANN+HUMMEL GmbH | 1682 |
3 |
| BHA Altair, LLC | 104 |
2 |
| Camfil AB | 226 |
2 |
| Cummins Filtration IP, Inc. | 812 |
2 |
| Dexwet USA LLC | 4 |
2 |
| Novomatic AG | 1617 |
2 |
| Taiyo Nippon Sanso Corporation | 356 |
2 |
| Continental Emitec GmbH | 49 |
2 |
| Veolia Nuclear Solutions Inc. | 52 |
2 |
| Yanmar Power Technology Co., Ltd. | 599 |
2 |
| Shine Technologies, LLC | 92 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Deere & Company | 6845 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Other owners | 60 |