- All sections
- B - Performing operationstransporting
- 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: 469
10-year publication summary
|
30
|
47
|
51
|
51
|
43
|
33
|
26
|
25
|
36
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HYDAC Process Technology GmbH | 84 |
25 |
| Blue Skies Global LLC | 22 |
15 |
| Amiad Water Systems Ltd. | 53 |
11 |
| Donaldson Company, Inc. | 1613 |
10 |
| EMD Millipore Corporation | 636 |
8 |
| Contech Engineered Solutions LLC | 278 |
7 |
| MANN+HUMMEL GmbH | 1817 |
7 |
| Amogreentech Co., Ltd. | 652 |
6 |
| Boll & Kirch Filterbau GmbH | 36 |
6 |
| Entegris, Inc. | 2035 |
6 |
| Gaudfrin | 22 |
6 |
| Pall Corporation | 342 |
6 |
| Parker Intangibles LLC | 1163 |
6 |
| Filtran LLC | 26 |
5 |
| Fuji Filter Manufacturing Co., Ltd. | 56 |
5 |
| Sartorius Stedim Biotech GmbH | 888 |
5 |
| Samsung Electronics Co., Ltd. | 159473 |
4 |
| Alconbury Weston Ltd | 5 |
4 |
| Alfa Laval Corporate AB | 1348 |
4 |
| Filtration Technology Corporation | 48 |
4 |
| Other owners | 319 |