Patent holdings for IPC class B01D 46/46

Total number of patents in this class: 419

10-year publication summary

28
42
29
30
52
59
62
42
35
22
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Microjet Technology Co., Ltd.
445
26
LG Electronics Inc.
72737
21
Donaldson Company, Inc.
1598
13
3m Innovative Properties Company
17858
7
Cummins Filtration IP, Inc.
808
7
Illinois Tool Works Inc.
11450
6
The Boeing Company
20031
6
Carrier Corporation
4354
5
Air-Clenz Systems, LLC
18
5
Samsung Electronics Co., Ltd.
145025
4
Ford Global Technologies, LLC
20505
4
Caterpillar Inc.
9527
4
Whirlpool Corporation
4403
4
Xiaomi Inc.
1710
4
Coway Co., Ltd.
727
4
Dust Company, Inc.
18
4
Enverid Systems, Inc.
79
4
FIPAK Research And Development Company
30
4
Trane International Inc.
1180
4
Tyco Fire & Security GmbH
3187
4
Other owners 279