- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 35/34 - Filter housing constructions open-topped
Patent holdings for IPC class B01D 35/34
Total number of patents in this class: 32
10-year publication summary
|
4
|
1
|
4
|
4
|
3
|
7
|
2
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1600 |
7 |
| Mann+Hummel Filtration Technology US LLC | 74 |
3 |
| Entegris, Inc. | 2008 |
2 |
| Evoqua Water Technologies LLC | 930 |
2 |
| Samsung Electronics Co., Ltd. | 157719 |
1 |
| LG Electronics Inc. | 75694 |
1 |
| Murata Manufacturing Co., Ltd. | 25744 |
1 |
| Bel-Art Products, Inc. | 7 |
1 |
| Clean Way Services, Inc. | 11 |
1 |
| Coway Co., Ltd. | 788 |
1 |
| Eiffage Travaux Publics | 13 |
1 |
| Irritec USA, Inc. | 3 |
1 |
| Pall Corporation | 340 |
1 |
| Parker Hannifin Indústria e Comércio Ltda. | 7 |
1 |
| St. Jude Children's Research Hospital | 236 |
1 |
| Yuan MEI Corp. | 121 |
1 |
| Empresa Municipal de Aguas y Saneamiento de Murcia S.A. | 4 |
1 |
| Sogefi Air & Cooling USA, Inc. | 13 |
1 |
| Stormwater Controls LLC | 1 |
1 |
| Creative Inno Oy | 1 |
1 |
| Other owners | 2 |