Patent holdings for IPC class B01D 53/88

Total number of patents in this class: 551

10-year publication summary

35
34
38
58
72
47
62
47
44
13
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
154406
23
NGK Insulators, Ltd.
5212
17
Microjet Technology Co., Ltd.
460
12
Corning Incorporated
10421
9
Seoul Viosys Co., Ltd.
1525
8
Mitsubishi Power, Ltd.
1820
8
Mitsubishi Heavy Industries, Ltd.
9030
7
Hyundai Motor Company
23906
6
Dyson Technology Limited
3924
6
Hanon Systems
2071
6
Johnson Matthey Catalysts (Germany) GmbH
72
6
IONaer International Arizona, LLC
21
6
Uop LLC
4318
5
W. L. Gore & Associates, Inc.
2702
5
PTI Technologies, Inc.
18
5
BASF Mobile Emissions Catalysts LLC
430
5
Toyota Motor Corporation
34794
4
Sharp Corporation
10471
4
Nitto Denko Corporation
8468
4
Cormetech, Inc.
40
4
Other owners 401