- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/15 - Supported filter elements arranged for inward flow filtration
Patent holdings for IPC class B01D 29/15
Total number of patents in this class: 582
10-year publication summary
|
42
|
50
|
44
|
61
|
87
|
63
|
43
|
50
|
43
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9644 |
38 |
| MANN+HUMMEL GmbH | 1769 |
31 |
| Donaldson Company, Inc. | 1603 |
25 |
| LG Electronics Inc. | 73690 |
21 |
| Cummins Filtration IP, Inc. | 806 |
18 |
| MAHLE International GmbH | 2798 |
18 |
| HYDAC Filtertechnik GmbH | 295 |
16 |
| Hengst SE | 166 |
15 |
| Ufi Filters S.p.A. | 195 |
10 |
| Cummins Filtration SARL | 25 |
9 |
| Blue Skies Global LLC | 19 |
9 |
| Cummins Filtration Inc. | 199 |
8 |
| HYDAC Process Technology GmbH | 92 |
8 |
| Volvo Truck Corporation | 3475 |
8 |
| Baldwin Filters, Inc. | 243 |
7 |
| Mann+Hummel Filtration Technology US LLC | 76 |
7 |
| Yamashin-filter Corp. | 128 |
7 |
| Haier US Appliance Solutions, Inc. | 3709 |
6 |
| Icon Technology Systems Limited | 10 |
6 |
| Westlake Longview Corporation | 85 |
6 |
| Other owners | 309 |