Patent holdings for IPC class B01D 46/46

Total number of patents in this class: 430

10-year publication summary

42
29
29
51
59
62
42
35
31
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Microjet Technology Co., Ltd.
461
29
LG Electronics Inc.
74447
21
Donaldson Company, Inc.
1588
13
Samsung Electronics Co., Ltd.
151726
7
3m Innovative Properties Company
17596
7
Cummins Filtration IP, Inc.
775
7
Illinois Tool Works Inc.
11662
6
The Boeing Company
20111
6
Carrier Corporation
3976
5
Coway Co., Ltd.
759
5
Air-Clenz Systems, LLC
18
5
Ford Global Technologies, LLC
21111
4
Caterpillar Inc.
10010
4
Whirlpool Corporation
4516
4
Xiaomi Inc.
1720
4
Dust Company, Inc.
19
4
Enverid Systems, Inc.
80
4
FIPAK Research And Development Company
32
4
Trane International Inc.
1208
4
Tyco Fire & Security GmbH
3510
4
Other owners 283