Patent holdings for IPC class B01D 45/08

Total number of patents in this class: 893

10-year publication summary

84
79
89
101
77
69
65
65
42
47
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Cummins Filtration IP, Inc.
805
37
Omachron Intellectual Property Inc.
934
34
Nabtesco Automotive Corporation
128
27
General Electric Company
13830
14
Munters Euroform GmbH
25
13
NeuFilter GmbH
28
13
Mitsubishi Heavy Industries, Ltd.
8900
12
Rtx Corporation
9601
11
MANN+HUMMEL GmbH
1777
10
MAHLE International GmbH
2838
9
Saudi Arabian Oil Company
13686
9
Honda Motor Co., Ltd.
25784
8
Sun Patent Trust
2006
8
Samsung Electronics Co., Ltd.
149198
7
Honeywell International Inc.
13571
7
Milaebo Co., Ltd.
24
7
Toyota Boshoku Kabushiki Kaisha
1443
7
Siemens AG
24333
5
Hamilton Sundstrand Corporation
4956
5
Parker Hannifin Manufacturing Limited
49
5
Other owners 645