- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 36/00 - Filter circuits or combinations of filters with other separating devices
Patent holdings for IPC class B01D 36/00
Total number of patents in this class: 931
10-year publication summary
|
87
|
71
|
101
|
89
|
74
|
69
|
46
|
49
|
36
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1812 |
101 |
| MAHLE International GmbH | 2909 |
50 |
| Caterpillar Inc. | 10269 |
47 |
| Cummins Filtration IP, Inc. | 590 |
32 |
| Ufi Filters S.p.A. | 193 |
31 |
| Atmus Filtration IP Inc. | 272 |
30 |
| Donaldson Company, Inc. | 1601 |
24 |
| HYDAC Filtertechnik GmbH | 287 |
24 |
| Omachron Intellectual Property Inc. | 965 |
21 |
| Yamashin-filter Corp. | 131 |
16 |
| Hengst SE | 181 |
16 |
| Baldwin Filters, Inc. | 231 |
13 |
| Sartorius Stedim Biotech GmbH | 871 |
8 |
| Sun Patent Trust | 2006 |
8 |
| Robert Bosch GmbH | 44094 |
7 |
| Saint-Gobain Performance Plastics Corporation | 1053 |
7 |
| Tokyo Electron Limited | 13770 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
6 |
| Cummins Filtration Inc. | 73 |
6 |
| Davco Technology, LLC | 29 |
6 |
| Other owners | 472 |