- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 39/08 - Filter cloth, i.e. woven, knitted or interlaced material
Patent holdings for IPC class B01D 39/08
Total number of patents in this class: 609
10-year publication summary
|
54
|
49
|
49
|
62
|
86
|
82
|
43
|
29
|
30
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saati S.p.A. | 120 |
15 |
| 3m Innovative Properties Company | 17478 |
14 |
| Donaldson Company, Inc. | 1600 |
14 |
| K&N Engineering, Inc. | 461 |
12 |
| Hollingsworth & Vose Company | 301 |
11 |
| HYDAC Filtertechnik GmbH | 286 |
9 |
| MANN+HUMMEL GmbH | 1808 |
9 |
| DelStar Technologies Inc. | 154 |
8 |
| W. L. Gore & Associates, Inc. | 2720 |
7 |
| Clear Edge-germany GmbH | 12 |
7 |
| Johns Manville | 921 |
7 |
| Blucher GmbH | 176 |
6 |
| Directa Plus S.p.A. | 61 |
6 |
| Fenwal, Inc. | 700 |
6 |
| Advanced Drainage Systems, Inc. | 402 |
5 |
| The Procter & Gamble Company | 21855 |
4 |
| LG Electronics Inc. | 75694 |
4 |
| EMD Millipore Corporation | 631 |
4 |
| Murata Manufacturing Co., Ltd. | 25744 |
4 |
| Amogreentech Co., Ltd. | 646 |
4 |
| Other owners | 453 |