Patent holdings for IPC class B01D 45/08

Total number of patents in this class: 916

10-year publication summary

83
93
103
81
72
68
68
48
50
24
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Omachron Intellectual Property Inc.
959
35
Nabtesco Automotive Corporation
128
27
Cummins Filtration IP, Inc.
620
22
Atmus Filtration IP Inc.
231
16
General Electric Company
13822
15
NeuFilter GmbH
30
13
Mitsubishi Heavy Industries, Ltd.
9041
12
Munters Euroform GmbH
25
12
MANN+HUMMEL GmbH
1799
11
Rtx Corporation
9946
11
MAHLE International GmbH
2888
9
Saudi Arabian Oil Company
13956
9
Honda Motor Co., Ltd.
25903
8
Sun Patent Trust
2000
8
Samsung Electronics Co., Ltd.
155224
7
Honeywell International Inc.
12758
7
Milaebo Co., Ltd.
23
7
Toyota Boshoku Kabushiki Kaisha
1493
7
Siemens AG
24132
5
Robert Bosch GmbH
43788
5
Other owners 670