Patent holdings for IPC class B01D 45/12

Total number of patents in this class: 1093

10-year publication summary

81
97
84
112
86
57
48
32
29
23
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Omachron Intellectual Property Inc.
923
49
LG Electronics Inc.
73578
33
Cummins Filtration IP, Inc.
806
28
MANN+HUMMEL GmbH
1768
20
Uop LLC
4249
15
Samsung Gwangju Electronics Co., Ltd.
61
14
Panasonic Intellectual Property Management Co., Ltd.
31882
13
Hamilton Sundstrand Corporation
4916
13
Tokyo ROKI Co., Ltd.
69
13
Donaldson Company, Inc.
1606
12
Qwtip LLC
65
12
General Electric Company
13859
11
Pall Corporation
336
11
Atlas Copco Airpower, naamloze vennootschap
1035
10
Dyson Technology Limited
3673
10
Usui Co., Ltd.
118
10
HYDAC Process Technology GmbH
92
9
Koganei Corporation
214
9
Honeywell International Inc.
13560
8
BISSELL Inc.
1154
7
Other owners 786