Patent holdings for IPC class B01D 45/12

Total number of patents in this class: 1082

10-year publication summary

104
93
118
95
63
53
37
31
31
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Omachron Intellectual Property Inc.
955
51
LG Electronics Inc.
75160
29
MANN+HUMMEL GmbH
1800
22
Cummins Filtration IP, Inc.
622
19
Uop LLC
4322
15
Panasonic Intellectual Property Management Co., Ltd.
33690
13
Hamilton Sundstrand Corporation
5017
13
Tokyo ROKI Co., Ltd.
69
13
Donaldson Company, Inc.
1592
12
Qwtip LLC
68
12
General Electric Company
13816
11
Pall Corporation
341
11
Samsung Gwangju Electronics Co., Ltd.
47
11
Atlas Copco Airpower, naamloze vennootschap
1064
10
Dyson Technology Limited
3931
10
Koganei Corporation
215
10
Usui Co., Ltd.
123
10
Atmus Filtration IP Inc.
228
9
Honeywell International Inc.
12790
8
BISSELL Inc.
1149
7
Other owners 786