Patent holdings for IPC class B01D 35/18

Total number of patents in this class: 279

10-year publication summary

26
18
30
14
21
13
10
14
9
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
MANN+HUMMEL GmbH
1818
27
LG Electronics Inc.
76345
18
MAHLE International GmbH
2938
10
Ufi Filters S.p.A.
192
7
Massachusetts Institute of Technology
10339
5
Shaw Development, LLC
45
5
SK Innovation Co., Ltd.
1515
5
Ufi Innovation Center S.r.l.
75
5
Robert Bosch GmbH
44459
4
Yamashin-filter Corp.
132
4
Livingcare Co.,Ltd
16
4
Tokyo Electron Limited
14081
3
Coway Co., Ltd.
799
3
Cummins Filtration IP, Inc.
501
3
Woongjin Coway Co., Ltd.
128
3
CT Energy Holdings, LLC
4
3
C.C. Jensen A/S
52
3
Zaklady Chemiczne 'siarkopol' Tarnobrzeg SP z o.o.
4
3
Briggs & Stratton, LLC
685
3
SK Geo Centric Co., Ltd.
276
3
Other owners 158