- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/41 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type mounted transversely on the tube
Patent holdings for IPC class B01D 29/41
Total number of patents in this class: 68
10-year publication summary
|
2
|
2
|
3
|
6
|
4
|
4
|
2
|
2
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pall Corporation | 340 |
6 |
| Evoqua Water Technologies LLC | 930 |
5 |
| Nordson Holdings S.a.r.l. & Co. KG | 14 |
4 |
| Solventum Intellectual Properties Company | 3415 |
4 |
| Gaudfrin | 22 |
3 |
| Kreyenborg Verwaltungen und Beteiligungen GmbH & Co. KG | 8 |
2 |
| Parker Intangibles LLC | 1169 |
2 |
| Seebach GMBH | 2 |
2 |
| HYDAC Fluidcarecenter GmbH | 25 |
2 |
| Kadant Black Clawson LLC | 49 |
2 |
| Robert Bosch GmbH | 44160 |
1 |
| Corning Incorporated | 10504 |
1 |
| Andritz Separation Inc. | 13 |
1 |
| Awa Paper Mfg. Co., Ltd. | 14 |
1 |
| Caleffi S.p.A. | 109 |
1 |
| Direction et Priorites | 3 |
1 |
| Eaton Technologies IP GmbH & Co. KG | 12 |
1 |
| Filtrox AG | 35 |
1 |
| Fujian Newland EnTech Co., Ltd. | 9 |
1 |
| Hochland SE | 189 |
1 |
| Other owners | 26 |