Patent holdings for IPC class B01D 53/56

Total number of patents in this class: 1598

10-year publication summary

130
102
86
105
60
90
96
66
61
12
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
BASF Corporation
2016
54
Johnson Matthey Public Limited Company
1860
52
Mitsubishi Heavy Industries, Ltd.
8166
40
Umicore AG & Co. KG
870
28
IHI Corporation
3246
27
Mitsubishi Power, Ltd.
1664
24
Yara International ASA
740
19
Intelligent Abatement, LLC
19
19
General Electric Technology GmbH
1641
18
Tronox LLC
182
15
Chevron U.S.A. Inc.
3741
14
Institute of Process Engineering, Chinese Academy of Sciences
248
14
ThyssenKrupp Industrial Solutions AG
746
13
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
13358
13
BASF SE
19607
11
Messer Industries USA, Inc.
103
11
Toyota Motor Corporation
28289
10
Huaneng Clean Energy Research Institute
336
10
The General Hospital Corporation
4485
9
China Petroleum & Chemical Corporation
1574
9
Other owners 1188