- All sections
- B - Performing operations; transporting
- 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: 873
10-year publication summary
80
|
88
|
71
|
101
|
89
|
74
|
67
|
44
|
45
|
4
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
MANN+HUMMEL GmbH | 1726 |
99 |
Cummins Filtration IP, Inc. | 807 |
51 |
MAHLE International GmbH | 2691 |
48 |
Caterpillar Inc. | 9158 |
46 |
Ufi Filters S.p.A. | 198 |
31 |
Donaldson Company, Inc. | 1576 |
25 |
HYDAC Filtertechnik GmbH | 296 |
25 |
Omachron Intellectual Property Inc. | 916 |
16 |
Yamashin-filter Corp. | 127 |
15 |
Baldwin Filters, Inc. | 240 |
12 |
Hengst SE | 134 |
12 |
Cummins Filtration Inc. | 187 |
11 |
Sartorius Stedim Biotech GmbH | 804 |
8 |
Robert Bosch GmbH | 41765 |
7 |
Saint-Gobain Performance Plastics Corporation | 1025 |
7 |
Sun Patent Trust | 2038 |
7 |
Tokyo Electron Limited | 12111 |
6 |
Panasonic Intellectual Property Management Co., Ltd. | 29687 |
6 |
Davco Technology, LLC | 36 |
6 |
Hamilton Sundstrand Corporation | 4724 |
5 |
Other owners | 430 |