- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/56 - 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 series connection
Patent holdings for IPC class B01D 29/56
Total number of patents in this class: 442
10-year publication summary
|
43
|
52
|
49
|
47
|
44
|
36
|
42
|
50
|
36
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10281 |
17 |
| Sartorius Stedim Biotech GmbH | 875 |
9 |
| Hollingsworth & Vose Company | 301 |
7 |
| Samsung Electronics Co., Ltd. | 157946 |
6 |
| LG Electronics Inc. | 75818 |
6 |
| Cummins Filtration IP, Inc. | 587 |
6 |
| Filtran LLC | 26 |
6 |
| Schlumberger Technology Corporation | 11820 |
5 |
| EMD Millipore Corporation | 631 |
5 |
| Advanced Drainage Systems, Inc. | 402 |
5 |
| Sharkninja Operating LLC | 2715 |
5 |
| Whirlpool Corporation | 4643 |
4 |
| Entegris, Inc. | 2007 |
4 |
| Haier US Appliance Solutions, Inc. | 4041 |
4 |
| HYDAC Process Technology GmbH | 85 |
4 |
| IBS Filtran Kunststoff / Metallerzeugnisse GmbH | 27 |
4 |
| MANN+HUMMEL GmbH | 1808 |
4 |
| Ufi Filters S.p.A. | 193 |
4 |
| Redwire Space, Inc. | 33 |
4 |
| Donaldson Company, Inc. | 1607 |
3 |
| Other owners | 330 |