Patent holdings for IPC class B01D 53/88

Total number of patents in this class: 565

10-year publication summary

35
34
38
58
72
47
62
47
44
27
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
157719
23
NGK Insulators, Ltd.
5236
17
Microjet Technology Co., Ltd.
461
13
Corning Incorporated
10504
9
Seoul Viosys Co., Ltd.
1557
8
Mitsubishi Power, Ltd.
1833
8
Mitsubishi Heavy Industries, Ltd.
9128
7
Hyundai Motor Company
24653
6
Dyson Technology Limited
3997
6
Hanon Systems
2106
6
IONaer International Arizona, LLC
21
6
Uop LLC
4393
5
W. L. Gore & Associates, Inc.
2720
5
Johnson Matthey Catalysts (Germany) GmbH
63
5
PTI Technologies, Inc.
18
5
BASF Mobile Emissions Catalysts LLC
432
5
Toyota Motor Corporation
35772
4
Sharp Corporation
10545
4
Nitto Denko Corporation
8536
4
Cormetech, Inc.
40
4
Other owners 415