- All sections
- B - Performing operations; transporting
- 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: 208
10-year publication summary
|
14
|
20
|
13
|
21
|
24
|
43
|
27
|
35
|
18
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
7 |
| Caterpillar Inc. | 8877 |
5 |
| Donaldson Company, Inc. | 1513 |
5 |
| Kohler Co. | 4165 |
4 |
| Murata Manufacturing Co., Ltd. | 22355 |
4 |
| MANN+HUMMEL GmbH | 1682 |
4 |
| Safe Foods Corporation | 82 |
4 |
| Philip Morris USA Inc. | 744 |
3 |
| Brita GmbH | 109 |
3 |
| CSBio Instrumentation Co. | 3 |
3 |
| Illinois Tool Works Inc. | 11152 |
2 |
| Massachusetts Institute of Technology | 9795 |
2 |
| Whirlpool Corporation | 4238 |
2 |
| ARKRAY, Inc. | 844 |
2 |
| Duperon Innovation, LLC | 15 |
2 |
| Hollingsworth & Vose Company | 274 |
2 |
| Hydrotech Pty Ltd. | 7 |
2 |
| Imagine TF, LLC | 41 |
2 |
| I.v.a.r. S.p.A. | 72 |
2 |
| Lee Tech LLC | 32 |
2 |
| Other owners | 146 |