Patent holdings for IPC class B01D 53/88

Total number of patents in this class: 566

10-year publication summary

35
34
38
58
72
47
62
47
44
28
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
157946
23
NGK Insulators, Ltd.
5239
17
Microjet Technology Co., Ltd.
461
13
Corning Incorporated
10510
9
Seoul Viosys Co., Ltd.
1561
8
Mitsubishi Power, Ltd.
1834
8
Mitsubishi Heavy Industries, Ltd.
9139
7
Hyundai Motor Company
24703
6
Dyson Technology Limited
4003
6
Hanon Systems
2108
6
IONaer International Arizona, LLC
21
6
Uop LLC
4393
5
W. L. Gore & Associates, Inc.
2715
5
Johnson Matthey Catalysts (Germany) GmbH
63
5
PTI Technologies, Inc.
18
5
BASF Mobile Emissions Catalysts LLC
431
5
Toyota Motor Corporation
35813
4
Sharp Corporation
10556
4
Nitto Denko Corporation
8540
4
Cormetech, Inc.
40
4
Other owners 416