Patent holdings for IPC class B01D 53/90

Total number of patents in this class: 445

10-year publication summary

37
33
55
37
44
32
10
23
17
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8694
18
The Chugoku Electric Power Co., Inc.
514
17
IFP Energies Nouvelles
2943
16
Mitsubishi Power, Ltd.
1759
16
Cummins Emission Solutions, Inc.
538
11
Hitachi Zosen Corporation
620
8
Isuzu Motors Limited
2248
8
Mitsubishi Hitachi Power Systems, Ltd.
993
8
Tokyo Metropolitan University
98
8
Robert Bosch GmbH
42632
7
Emitec Gesellschaft für Emissionstechnologie mbH
244
7
Amminex A/S
17
7
Caterpillar Inc.
9530
5
AlzChem AG
24
5
Alzchem Trostberg GmbH
262
5
IHI Corporation
3416
5
Umicore AG & Co. KG
858
5
Yara International ASA
843
5
NGK Insulators, Ltd.
4941
4
Komatsu Ltd.
4528
4
Other owners 276