- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/23 - Supported filter elements arranged for outward flow filtration
Patent holdings for IPC class B01D 29/23
Total number of patents in this class: 434
10-year publication summary
|
27
|
36
|
38
|
49
|
37
|
41
|
24
|
38
|
31
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rt-filtertechnik GmbH | 46 |
27 |
| HYDAC Filtertechnik GmbH | 289 |
24 |
| Donaldson Company, Inc. | 1607 |
23 |
| Caterpillar Inc. | 10316 |
17 |
| HYDAC Process Technology GmbH | 84 |
15 |
| MANN+HUMMEL GmbH | 1814 |
13 |
| Pall Corporation | 335 |
13 |
| M.P. Filtri S.p.A. | 38 |
12 |
| Boll & Kirch Filterbau GmbH | 36 |
8 |
| Schroeder Industries, LLC | 48 |
7 |
| Filtration Technology Corporation | 48 |
5 |
| Amiad Water Systems Ltd. | 53 |
4 |
| Cummins Filtration IP, Inc. | 580 |
4 |
| Fuji Filter Manufacturing Co., Ltd. | 56 |
4 |
| Marin Scientific Development Company | 5 |
4 |
| Parker Intangibles LLC | 1163 |
4 |
| Ufi Filters S.p.A. | 193 |
4 |
| Ufi Innovation Center S.r.l. | 75 |
4 |
| Eaton Intelligent Power Limited | 6276 |
4 |
| Mosshydro AS | 5 |
4 |
| Other owners | 234 |