Patent holdings for IPC class B01D 53/62

Total number of patents in this class: 3848

10-year publication summary

292
200
243
216
192
194
244
319
429
139
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8217
275
The Kansai Electric Power Co., Inc.
155
62
IHI Corporation
3268
59
General Electric Technology GmbH
1657
55
Alstom Technology Ltd
1196
52
Saudi Arabian Oil Company
11322
41
Mitsubishi Heavy Industries Engineering, Ltd.
207
41
Korea Institute of Energy Research
803
37
ExxonMobil Research And Engineering Company
2830
34
Commonwealth Scientific and Industrial Research Organisation
1652
31
Blue Planet Systems Corporation
65
31
IFP Energies Nouvelles
2717
30
Global Thermostat Operations LLC
49
29
Siemens AG
24990
28
Shell Internationale Research Maatschappij B.V.
3792
28
The Regents of the University of California
18943
28
Toshiba Corporation
12017
28
Saipem S.p.A.
513
28
Air Products and Chemicals, Inc.
1448
27
Massachusetts Institute of Technology
9795
26
Other owners 2878