- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/54 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
Patent holdings for IPC class B01D 29/54
Total number of patents in this class: 191
10-year publication summary
|
10
|
17
|
22
|
21
|
19
|
19
|
10
|
14
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HYDAC Process Technology GmbH | 89 |
14 |
| Donaldson Company, Inc. | 1579 |
11 |
| Filtration Technology Corporation | 48 |
10 |
| Pall Corporation | 335 |
10 |
| HYDAC Filtertechnik GmbH | 296 |
9 |
| MANN+HUMMEL GmbH | 1743 |
9 |
| Hubb Filters, Inc. | 10 |
8 |
| MAHLE International GmbH | 2722 |
4 |
| Marin Scientific Development Company | 7 |
4 |
| Midea Group Co., Ltd. | 4430 |
3 |
| Synfuel Americas Corporation | 10 |
3 |
| Foshan Shunde Midea Water Dispenser Manufacturing Co., Ltd. | 80 |
3 |
| Break Polymer SRL | 3 |
3 |
| Illinois Tool Works Inc. | 11381 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3473 |
2 |
| Robert Bosch GmbH | 42170 |
2 |
| Dow Global Technologies LLC | 10247 |
2 |
| Cummins Filtration Inc. | 193 |
2 |
| Cummins Filtration IP, Inc. | 808 |
2 |
| Fuji Filter Manufacturing Co., Ltd. | 55 |
2 |
| Other owners | 86 |