Patent holdings for IPC class B01D 53/62

Total number of patents in this class: 4871

10-year publication summary

161
205
192
162
162
197
274
396
486
589
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8875
305
The Kansai Electric Power Co., Inc.
135
63
Saudi Arabian Oil Company
13656
61
IHI Corporation
3467
59
Alstom Technology Ltd
1087
52
General Electric Technology GmbH
1371
49
Mitsubishi Heavy Industries Engineering, Ltd.
194
41
Korea Institute of Energy Research
870
40
The Regents of the University of California
20289
38
Blue Planet Systems Corporation
74
38
Toshiba Corporation
12548
34
ExxonMobil Research And Engineering Company
2537
33
Commonwealth Scientific and Industrial Research Organisation
1663
33
BASF SE
21087
32
Massachusetts Institute of Technology
10143
32
IFP Energies Nouvelles
2980
32
Global Thermostat Operations LLC
58
32
Uop LLC
4259
30
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3989
30
Siemens AG
24333
27
Other owners 3810