- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/03 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements self-supporting
Patent holdings for IPC class B01D 29/03
Total number of patents in this class: 263
10-year publication summary
|
20
|
13
|
21
|
24
|
46
|
27
|
35
|
18
|
36
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73210 |
9 |
| Caterpillar Inc. | 9558 |
6 |
| Philip Morris USA Inc. | 702 |
5 |
| Donaldson Company, Inc. | 1599 |
5 |
| Discovery Energy, LLC | 380 |
5 |
| Illinois Tool Works Inc. | 11468 |
4 |
| Murata Manufacturing Co., Ltd. | 24575 |
4 |
| Duperon Innovation, LLC | 15 |
4 |
| MANN+HUMMEL GmbH | 1759 |
4 |
| Safe Foods Corporation | 79 |
4 |
| Brita GmbH | 97 |
3 |
| Solidification Products International, Inc. | 22 |
3 |
| CSBio Instrumentation Co. | 4 |
3 |
| Massachusetts Institute of Technology | 10057 |
2 |
| Whirlpool Corporation | 4427 |
2 |
| ARKRAY, Inc. | 869 |
2 |
| Eljen Corporation | 13 |
2 |
| Haier US Appliance Solutions, Inc. | 3632 |
2 |
| Hydrotech Pty Ltd. | 7 |
2 |
| Imagine TF, LLC | 36 |
2 |
| Other owners | 190 |