- All sections
- B - Performing operations; transporting
- 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: 201
10-year publication summary
|
16
|
16
|
17
|
16
|
15
|
24
|
12
|
16
|
13
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
9 |
| Fuji Filter Manufacturing Co., Ltd. | 53 |
8 |
| Kanagawa Kiki Kogyo Co., Ltd. | 9 |
5 |
| Yamashin-filter Corp. | 115 |
5 |
| Filtration Technology Corporation | 47 |
4 |
| EMD Millipore Corporation | 657 |
3 |
| Donaldson Company, Inc. | 1513 |
3 |
| Fenwal, Inc. | 626 |
3 |
| Kuraray Co., Ltd. | 3392 |
3 |
| Midea Group Co., Ltd. | 4025 |
3 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
3 |
| Pall Corporation | 392 |
3 |
| Foshan Shunde Midea Water Dispenser Manufacturing Co., Ltd. | 74 |
3 |
| Danco, Inc. | 198 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Kohler Co. | 4165 |
2 |
| Agency for Science, Technology and Research | 3512 |
2 |
| China General Nuclear Power Corporation | 244 |
2 |
| China Nuclear Power Technology Research Institute Co., Ltd. | 151 |
2 |
| Control Components, Inc. | 84 |
2 |
| Other owners | 131 |