- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 29/52 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
Patent holdings for IPC class B01D 29/52
Total number of patents in this class: 418
10-year publication summary
|
42
|
44
|
30
|
47
|
51
|
51
|
43
|
31
|
25
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HYDAC Process Technology GmbH | 89 |
25 |
| Blue Skies Global LLC | 16 |
13 |
| Amiad Water Systems Ltd. | 48 |
11 |
| Donaldson Company, Inc. | 1513 |
11 |
| EMD Millipore Corporation | 657 |
7 |
| Entegris, Inc. | 1736 |
7 |
| MANN+HUMMEL GmbH | 1682 |
7 |
| Boll & Kirch Filterbau GmbH | 35 |
6 |
| Parker Intangibles LLC | 1237 |
6 |
| Amogreentech Co., Ltd. | 566 |
5 |
| Filtran LLC | 29 |
5 |
| Fuji Filter Manufacturing Co., Ltd. | 53 |
5 |
| Pall Corporation | 392 |
5 |
| Sartorius Stedim Biotech GmbH | 774 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Caterpillar Inc. | 8877 |
4 |
| Alfa Laval Corporate AB | 1265 |
4 |
| Bio Clean Environmental Services, Inc. | 32 |
4 |
| Cummins Filtration IP, Inc. | 812 |
4 |
| Filtration Technology Corporation | 47 |
4 |
| Other owners | 276 |