Patent holdings for IPC class B01D 53/88

Total number of patents in this class: 524

10-year publication summary

31
35
34
38
58
72
47
61
44
28
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
144675
18
NGK Insulators, Ltd.
4943
17
Microjet Technology Co., Ltd.
445
11
Corning Incorporated
10252
9
Mitsubishi Power, Ltd.
1759
9
Seoul Viosys Co., Ltd.
1468
8
Mitsubishi Heavy Industries, Ltd.
8664
7
Hyundai Motor Company
21795
6
Dyson Technology Limited
3617
6
Johnson Matthey Catalysts (Germany) GmbH
71
6
IONaer International Arizona, LLC
20
6
Nitto Denko Corporation
8206
5
Uop LLC
4240
5
W. L. Gore & Associates, Inc.
2674
5
BASF Mobile Emissions Catalysts LLC
397
5
Toyota Motor Corporation
31693
4
Cormetech, Inc.
37
4
Cummins Emission Solutions, Inc.
537
4
DBG Group Investments, LLC
85
4
Hanon Systems
1912
4
Other owners 381