Patent holdings for IPC class B01D 45/08

Total number of patents in this class: 908

10-year publication summary

79
89
101
77
69
65
65
43
48
14
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Cummins Filtration IP, Inc.
775
36
Omachron Intellectual Property Inc.
948
35
Nabtesco Automotive Corporation
128
27
General Electric Company
13789
15
Munters Euroform GmbH
26
13
NeuFilter GmbH
28
13
Mitsubishi Heavy Industries, Ltd.
8976
12
Rtx Corporation
9779
11
MANN+HUMMEL GmbH
1791
10
MAHLE International GmbH
2862
9
Saudi Arabian Oil Company
13886
9
Honda Motor Co., Ltd.
25795
8
Sun Patent Trust
2002
8
Samsung Electronics Co., Ltd.
152016
7
Honeywell International Inc.
13578
7
Milaebo Co., Ltd.
24
7
Toyota Boshoku Kabushiki Kaisha
1472
7
Siemens AG
24337
5
Robert Bosch GmbH
43365
5
Hamilton Sundstrand Corporation
5004
5
Other owners 659