- All sections
- B - Performing operations; transporting
- 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: 547
10-year publication summary
|
26
|
43
|
51
|
46
|
61
|
87
|
64
|
45
|
51
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 8877 |
35 |
| MANN+HUMMEL GmbH | 1682 |
28 |
| Donaldson Company, Inc. | 1513 |
25 |
| LG Electronics Inc. | 69257 |
18 |
| Cummins Filtration IP, Inc. | 812 |
18 |
| HYDAC Filtertechnik GmbH | 294 |
17 |
| MAHLE International GmbH | 2670 |
17 |
| Hengst SE | 126 |
14 |
| Ufi Filters S.p.A. | 196 |
10 |
| Cummins Filtration SARL | 24 |
9 |
| Baldwin Filters, Inc. | 257 |
7 |
| HYDAC Process Technology GmbH | 89 |
7 |
| Mann+Hummel Filtration Technology US LLC | 76 |
7 |
| Volvo Truck Corporation | 2764 |
7 |
| Yamashin-filter Corp. | 115 |
7 |
| Blue Skies Global LLC | 16 |
7 |
| Icon Technology Systems Limited | 10 |
6 |
| Westlake Longview Corporation | 78 |
6 |
| Robert Bosch GmbH | 40953 |
5 |
| Cummins Filtration Inc. | 171 |
5 |
| Other owners | 292 |