- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
Patent holdings for IPC class B01D 29/11
Total number of patents in this class: 1272
10-year publication summary
|
95
|
136
|
106
|
127
|
103
|
96
|
75
|
85
|
90
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1808 |
49 |
| Donaldson Company, Inc. | 1600 |
48 |
| Caterpillar Inc. | 10267 |
46 |
| HYDAC Filtertechnik GmbH | 286 |
38 |
| Yamashin-filter Corp. | 131 |
36 |
| MAHLE International GmbH | 2911 |
21 |
| Cummins Filtration IP, Inc. | 590 |
16 |
| Precision Planting LLC | 1193 |
16 |
| Repligen Corporation | 297 |
15 |
| Fuji Filter Manufacturing Co., Ltd. | 55 |
13 |
| Entegris, Inc. | 2008 |
12 |
| PanAsia Co., Ltd. | 120 |
11 |
| Atmus Filtration IP Inc. | 273 |
11 |
| Brita LP | 97 |
10 |
| HYDAC Process Technology GmbH | 86 |
10 |
| Midea Group Co., Ltd. | 5028 |
10 |
| Robert Bosch GmbH | 44160 |
9 |
| Aisan Kogyo Kabushiki Kaisha | 768 |
9 |
| Nifco Inc. | 1099 |
9 |
| ROKI Techno Co., Ltd | 53 |
9 |
| Other owners | 874 |