Patent holdings for IPC class B01D 53/88

Total number of patents in this class: 499

10-year publication summary

31
35
34
38
58
72
47
60
45
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
NGK Insulators, Ltd.
4791
17
Samsung Electronics Co., Ltd.
138518
16
Corning Incorporated
10097
9
Microjet Technology Co., Ltd.
408
9
Mitsubishi Power, Ltd.
1732
9
Seoul Viosys Co., Ltd.
1435
8
Hyundai Motor Company
20403
6
Dyson Technology Limited
3412
6
Johnson Matthey Catalysts (Germany) GmbH
71
6
IONaer International Arizona, LLC
19
6
Mitsubishi Heavy Industries, Ltd.
8515
5
Nitto Denko Corporation
8073
5
W. L. Gore & Associates, Inc.
2685
5
BASF Mobile Emissions Catalysts LLC
255
5
Uop LLC
4187
4
Cummins Emission Solutions, Inc.
517
4
DBG Group Investments, LLC
88
4
Hitachi Zosen Corporation
620
4
PTI Technologies, Inc.
17
4
Calistair SAS
8
4
Other owners 363