- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/07 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
Patent holdings for IPC class B01D 29/07
Total number of patents in this class: 276
10-year publication summary
|
23
|
30
|
15
|
17
|
12
|
11
|
12
|
12
|
8
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamashin-filter Corp. | 131 |
27 |
| MANN+HUMMEL GmbH | 1810 |
20 |
| Donaldson Company, Inc. | 1606 |
16 |
| Pall Corporation | 340 |
15 |
| Cummins Filtration IP, Inc. | 585 |
9 |
| Entegris, Inc. | 2009 |
9 |
| Evoqua Water Technologies LLC | 932 |
7 |
| Filtran LLC | 26 |
7 |
| Baldwin Filters, Inc. | 231 |
6 |
| 3m Innovative Properties Company | 17484 |
5 |
| Kyosan Denki Co., Ltd. | 52 |
5 |
| Caterpillar Inc. | 10285 |
4 |
| Cummins Filtration Inc. | 73 |
4 |
| Parker-Hannifin Corporation | 1037 |
4 |
| Vito AG | 16 |
4 |
| Advanced Filtration Systems Inc. | 17 |
3 |
| Aqseptence Group, Inc. | 79 |
3 |
| Hollingsworth & Vose Company | 301 |
3 |
| MAHLE International GmbH | 2918 |
3 |
| Nabell Corporation | 16 |
3 |
| Other owners | 119 |