- All sections
- B - Performing operations; transporting
- 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: 523
10-year publication summary
|
50
|
59
|
55
|
47
|
61
|
50
|
47
|
48
|
34
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
34 |
| Derrick Corporation | 230 |
18 |
| Donaldson Company, Inc. | 1513 |
18 |
| Enplas Corporation | 900 |
12 |
| EMD Millipore Corporation | 657 |
9 |
| Cummins Filtration IP, Inc. | 812 |
9 |
| Filtran LLC | 29 |
8 |
| LG Electronics Inc. | 69257 |
7 |
| Caterpillar Inc. | 8877 |
7 |
| Evoqua Water Technologies LLC | 904 |
7 |
| MANN+HUMMEL GmbH | 1682 |
7 |
| Illinois Tool Works Inc. | 11152 |
5 |
| Metawater Co., Ltd. | 181 |
5 |
| Continental Wire Cloth, LLC | 7 |
4 |
| Yamashin-filter Corp. | 115 |
4 |
| Framatome | 155 |
4 |
| Schlumberger Technology Corporation | 9690 |
3 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| Alconbury Weston Ltd | 4 |
3 |
| BSH Bosch und Siemens Hausgerate GmbH | 3236 |
3 |
| Other owners | 353 |