Patent holdings for IPC class B01D 46/18

Total number of patents in this class: 91

10-year publication summary

5
11
10
6
6
9
3
4
3
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Alfa Laval Corporate AB
1301
13
LG Electronics Inc.
71397
5
3m Innovative Properties Company
18002
4
Daikin Industries, Ltd.
9859
3
Cummins Filtration IP, Inc.
807
3
Dyson Technology Limited
3474
3
Nitty-gritty S.r.l.
18
3
Safran Aircraft Engines
6086
3
General Electric Company
17223
2
Hamilton Sundstrand Corporation
4752
2
Camfil AB
226
2
Dualdraw, a Limited Liability Company
3
2
FIPAK Research And Development Company
30
2
Tokyo ROKI Co., Ltd.
70
2
Automatic Air, LLC
2
2
Samsung Electronics Co., Ltd.
140289
1
Siemens AG
24556
1
LG Chem, Ltd.
17677
1
Honeywell International Inc.
14027
1
United Technologies Corporation
2258
1
Other owners 35