- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 29/92 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor having feed or discharge devices for discharging filtrate
Patent holdings for IPC class B01D 29/92
Total number of patents in this class: 161
10-year publication summary
10
|
5
|
17
|
22
|
19
|
19
|
23
|
18
|
14
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
MANN+HUMMEL GmbH | 1682 |
12 |
Derrick Corporation | 230 |
7 |
HYDAC Filtertechnik GmbH | 294 |
7 |
Yamashin-filter Corp. | 115 |
6 |
C2cnt LLC | 79 |
6 |
Caterpillar Inc. | 8877 |
5 |
Rt-filtertechnik GmbH | 44 |
3 |
Ufi Innovation Center S.r.l. | 62 |
3 |
Coway Co., Ltd. | 13 |
3 |
Levo Oil Infusion, Inc. | 8 |
3 |
Cytiva US LLC | 143 |
3 |
Murata Manufacturing Co., Ltd. | 22355 |
2 |
Amogreentech Co., Ltd. | 566 |
2 |
Atlas Copco Airpower, naamloze vennootschap | 915 |
2 |
Baldwin Filters, Inc. | 257 |
2 |
Cummins Filtration IP, Inc. | 812 |
2 |
Donaldson Company, Inc. | 1513 |
2 |
Entegris, Inc. | 1736 |
2 |
I.v.a.r. S.p.A. | 72 |
2 |
Lenzing Aktiengesellschaft | 529 |
2 |
Other owners | 85 |