Patent holdings for IPC class B01D 46/58

Total number of patents in this class: 219

10-year publication summary

3
1
5
17
38
34
46
37
30
18
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
74953
15
Donaldson Company, Inc.
1588
15
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC)
228
11
Ufi Innovation Center S.r.l.
72
7
Life Technologies Corporation
3377
5
Carl Freudenberg KG
1429
5
Parker-Hannifin Corporation
1020
5
Caterpillar Inc.
10118
4
Hilti Aktiengesellschaft
3580
4
Cummins Filtration IP, Inc.
649
4
Pall Corporation
343
4
PaintMaxx LLC
5
4
Samsung Electronics Co., Ltd.
153573
3
Coway Co., Ltd.
767
3
Duerr Systems AG
247
3
Filtration Technology Corporation
48
3
MANN+HUMMEL GmbH
1797
3
MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
61
3
Johnson Controls Light Commercial IP GmbH
370
3
The Boeing Company
20094
2
Other owners 113