Patent holdings for IPC class B01D 53/90

Total number of patents in this class: 445

10-year publication summary

37
33
54
34
44
31
10
21
17
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8803
20
The Chugoku Electric Power Co., Inc.
515
17
IFP Energies Nouvelles
2959
16
Mitsubishi Power, Ltd.
1788
16
Cummins Emission Solutions, Inc.
546
11
Hitachi Zosen Corporation
615
8
Isuzu Motors Limited
2267
8
Mitsubishi Hitachi Power Systems, Ltd.
993
8
Tokyo Metropolitan University
98
8
Emitec Gesellschaft für Emissionstechnologie mbH
236
7
Amminex A/S
17
7
Umicore AG & Co. KG
860
6
Robert Bosch GmbH
42815
5
Caterpillar Inc.
9640
5
AlzChem AG
24
5
Alzchem Trostberg GmbH
267
5
IHI Corporation
3452
5
Yara International ASA
859
5
NGK Insulators, Ltd.
5103
4
Komatsu Ltd.
4601
4
Other owners 275