Patent holdings for IPC class B01D 45/12

Total number of patents in this class: 1073

10-year publication summary

104
93
118
95
64
53
37
31
32
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Omachron Intellectual Property Inc.
965
53
LG Electronics Inc.
75561
27
MANN+HUMMEL GmbH
1811
22
Cummins Filtration IP, Inc.
590
18
Uop LLC
4400
14
Panasonic Intellectual Property Management Co., Ltd.
33792
13
Hamilton Sundstrand Corporation
5019
13
Qwtip LLC
69
13
Tokyo ROKI Co., Ltd.
69
13
Donaldson Company, Inc.
1599
12
General Electric Company
13886
11
Pall Corporation
341
11
Samsung Gwangju Electronics Co., Ltd.
44
11
Atlas Copco Airpower, naamloze vennootschap
1077
10
Koganei Corporation
213
10
Usui Co., Ltd.
123
10
Atmus Filtration IP Inc.
270
10
Dyson Technology Limited
3971
9
Honeywell International Inc.
12776
8
BISSELL Inc.
1150
7
Other owners 778