- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/92 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices for discharging filtrate
Patent holdings for IPC class B01D 29/92
Total number of patents in this class: 169
10-year publication summary
|
5
|
17
|
22
|
19
|
19
|
23
|
18
|
16
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1755 |
13 |
| Derrick Corporation | 245 |
8 |
| HYDAC Filtertechnik GmbH | 296 |
7 |
| Yamashin-filter Corp. | 129 |
6 |
| C2cnt LLC | 88 |
6 |
| Caterpillar Inc. | 9539 |
4 |
| Lenzing Aktiengesellschaft | 522 |
4 |
| Rt-filtertechnik GmbH | 45 |
3 |
| Ufi Innovation Center S.r.l. | 67 |
3 |
| Volvo Truck Corporation | 3392 |
3 |
| Coway Co., Ltd. | 13 |
3 |
| Levo Oil Infusion, Inc. | 10 |
3 |
| Murata Manufacturing Co., Ltd. | 24478 |
2 |
| Amogreentech Co., Ltd. | 607 |
2 |
| Atlas Copco Airpower, naamloze vennootschap | 1027 |
2 |
| Baldwin Filters, Inc. | 241 |
2 |
| Cummins Filtration IP, Inc. | 807 |
2 |
| Donaldson Company, Inc. | 1600 |
2 |
| Entegris, Inc. | 1867 |
2 |
| I.v.a.r. S.p.A. | 74 |
2 |
| Other owners | 90 |