- 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: 590
10-year publication summary
|
54
|
46
|
59
|
53
|
45
|
44
|
37
|
51
|
46
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25296 |
36 |
| Derrick Corporation | 252 |
18 |
| Donaldson Company, Inc. | 1589 |
14 |
| Enplas Corporation | 884 |
12 |
| LG Electronics Inc. | 74502 |
9 |
| EMD Millipore Corporation | 639 |
8 |
| Caterpillar Inc. | 10013 |
8 |
| Cummins Filtration IP, Inc. | 775 |
8 |
| Filtran LLC | 26 |
8 |
| MANN+HUMMEL GmbH | 1791 |
8 |
| Evoqua Water Technologies LLC | 922 |
7 |
| Illinois Tool Works Inc. | 11662 |
5 |
| Metawater Co., Ltd. | 202 |
5 |
| Sharkninja Operating LLC | 2559 |
5 |
| 3m Innovative Properties Company | 17600 |
4 |
| Continental Wire Cloth, LLC | 7 |
4 |
| DelStar Technologies Inc. | 131 |
4 |
| Hollingsworth & Vose Company | 297 |
4 |
| Trustees of Tufts College | 933 |
4 |
| Yamashin-filter Corp. | 130 |
4 |
| Other owners | 415 |