- 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: 200
10-year publication summary
|
17
|
22
|
21
|
19
|
20
|
10
|
14
|
9
|
8
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HYDAC Process Technology GmbH | 84 |
14 |
| Pall Corporation | 342 |
11 |
| Donaldson Company, Inc. | 1617 |
10 |
| Filtration Technology Corporation | 50 |
10 |
| HYDAC Filtertechnik GmbH | 290 |
9 |
| MANN+HUMMEL GmbH | 1818 |
9 |
| Hubb Filters, Inc. | 10 |
8 |
| MAHLE International GmbH | 2931 |
4 |
| Marin Scientific Development Company | 5 |
4 |
| Illinois Tool Works Inc. | 11919 |
3 |
| Gaudfrin | 22 |
3 |
| Midea Group Co., Ltd. | 5102 |
3 |
| Synfuel Americas Corporation | 10 |
3 |
| Foshan Shunde Midea Water Dispenser Manufacturing Co., Ltd. | 91 |
3 |
| Turbett Surgical, Inc. | 47 |
3 |
| Break Polymer SRL | 3 |
3 |
| Break Machinery SRL | 4 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3377 |
2 |
| Robert Bosch GmbH | 44427 |
2 |
| Dow Global Technologies LLC | 11090 |
2 |
| Other owners | 91 |