- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/50 - 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
Patent holdings for IPC class B01D 29/50
Total number of patents in this class: 226
10-year publication summary
|
17
|
16
|
15
|
26
|
12
|
16
|
16
|
10
|
14
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75818 |
11 |
| Pall Corporation | 340 |
9 |
| Fuji Filter Manufacturing Co., Ltd. | 55 |
8 |
| Yamashin-filter Corp. | 131 |
6 |
| Kanagawa Kiki Kogyo Co., Ltd. | 9 |
5 |
| Filtration Technology Corporation | 48 |
4 |
| Samsung Electronics Co., Ltd. | 157946 |
3 |
| EMD Millipore Corporation | 631 |
3 |
| Donaldson Company, Inc. | 1607 |
3 |
| Evoqua Water Technologies LLC | 930 |
3 |
| Fenwal, Inc. | 701 |
3 |
| Kuraray Co., Ltd. | 3591 |
3 |
| Midea Group Co., Ltd. | 5034 |
3 |
| Neptune Benson, Inc. | 43 |
3 |
| Foshan Shunde Midea Water Dispenser Manufacturing Co., Ltd. | 91 |
3 |
| Danco, Inc. | 192 |
3 |
| Caterpillar Inc. | 10281 |
2 |
| Agency for Science, Technology and Research | 3736 |
2 |
| China General Nuclear Power Corporation | 285 |
2 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 248 |
2 |
| Other owners | 145 |