- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/01 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements
Patent holdings for IPC class B01D 29/01
Total number of patents in this class: 568
10-year publication summary
|
59
|
55
|
47
|
61
|
52
|
47
|
49
|
37
|
51
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24409 |
35 |
| Derrick Corporation | 245 |
18 |
| Donaldson Company, Inc. | 1598 |
16 |
| Enplas Corporation | 889 |
12 |
| Cummins Filtration IP, Inc. | 808 |
10 |
| LG Electronics Inc. | 72675 |
9 |
| EMD Millipore Corporation | 649 |
9 |
| Caterpillar Inc. | 9521 |
8 |
| Filtran LLC | 26 |
8 |
| Evoqua Water Technologies LLC | 914 |
7 |
| MANN+HUMMEL GmbH | 1752 |
7 |
| Illinois Tool Works Inc. | 11437 |
5 |
| Metawater Co., Ltd. | 193 |
5 |
| Sharkninja Operating LLC | 2350 |
5 |
| Continental Wire Cloth, LLC | 7 |
4 |
| DelStar Technologies Inc. | 110 |
4 |
| Trustees of Tufts College | 867 |
4 |
| Yamashin-filter Corp. | 129 |
4 |
| Framatome | 186 |
4 |
| Industrial Vacuum Transfer Services USA, LLC | 35 |
4 |
| Other owners | 390 |