- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/88 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices
Patent holdings for IPC class B01D 29/88
Total number of patents in this class: 133
10-year publication summary
|
6
|
10
|
12
|
7
|
7
|
9
|
8
|
7
|
1
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10280 |
8 |
| Cummins Filtration IP, Inc. | 584 |
5 |
| Mitsubishi Kakoki Kaisha, Ltd. | 89 |
4 |
| P&I Human Korea Co., Ltd. | 8 |
4 |
| Advanced Filtration Systems Inc. | 17 |
3 |
| Evoqua Water Technologies LLC | 934 |
3 |
| HYDAC Filtertechnik GmbH | 288 |
3 |
| MANN+HUMMEL GmbH | 1813 |
3 |
| Microfilter Co., Ltd. | 41 |
3 |
| Yamashin-filter Corp. | 131 |
3 |
| Dow Global Technologies LLC | 10994 |
2 |
| BVG Bauer Verfahrenstechnik GmbH | 5 |
2 |
| Donaldson Company, Inc. | 1608 |
2 |
| IHI Corporation | 3527 |
2 |
| Kobelco Eco-solutions Co., Ltd. | 123 |
2 |
| Repligen Corporation | 299 |
2 |
| Refine Holdings Co., Ltd. | 49 |
2 |
| Cytiva Sweden AB | 790 |
2 |
| Exair LLC | 28 |
2 |
| Samsung Electronics Co., Ltd. | 158442 |
1 |
| Other owners | 75 |