Patent holdings for IPC class B01D 35/18

Total number of patents in this class: 287

10-year publication summary

32
26
18
30
14
19
14
9
14
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
MANN+HUMMEL GmbH
1768
29
LG Electronics Inc.
73588
18
MAHLE International GmbH
2794
10
Ufi Filters S.p.A.
195
9
Massachusetts Institute of Technology
10115
6
Cummins Filtration IP, Inc.
805
5
Shaw Development, LLC
38
5
SK Innovation Co., Ltd.
1360
5
Ufi Innovation Center S.r.l.
68
5
SK Geo Centric Co., Ltd.
315
5
Robert Bosch GmbH
42815
4
Yamashin-filter Corp.
128
4
Livingcare Co.,Ltd
14
4
Tokyo Electron Limited
12979
3
Pall Corporation
335
3
Woongjin Coway Co., Ltd.
136
3
CT Energy Holdings, LLC
4
3
C.C. Jensen A/S
48
3
Zaklady Chemiczne 'siarkopol' Tarnobrzeg SP z o.o.
5
3
Briggs & Stratton, LLC
671
3
Other owners 157