Patent holdings for IPC class B01D 29/56

Total number of patents in this class: 416

10-year publication summary

46
43
51
49
46
42
35
40
48
28
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Caterpillar Inc.
9706
16
Sartorius Stedim Biotech GmbH
848
8
Cummins Filtration IP, Inc.
805
7
Hollingsworth & Vose Company
299
7
Samsung Electronics Co., Ltd.
148649
6
LG Electronics Inc.
73619
6
Filtran LLC
26
6
Schlumberger Technology Corporation
10994
5
Advanced Drainage Systems, Inc.
353
5
Sharkninja Operating LLC
2465
5
EMD Millipore Corporation
645
4
Whirlpool Corporation
4448
4
Ai Cure Technologies LLC
35
4
Entegris, Inc.
1907
4
Haier US Appliance Solutions, Inc.
3754
4
HYDAC Process Technology GmbH
92
4
IBS Filtran Kunststoff / Metallerzeugnisse GmbH
27
4
Ufi Filters S.p.A.
192
4
Redwire Space, Inc.
32
4
Donaldson Company, Inc.
1588
3
Other owners 306