Patent holdings for IPC class B01D 53/62

Total number of patents in this class: 4665

10-year publication summary

161
205
192
162
162
197
274
394
484
427
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8777
299
The Kansai Electric Power Co., Inc.
137
62
IHI Corporation
3447
60
Saudi Arabian Oil Company
13316
58
Alstom Technology Ltd
1096
52
General Electric Technology GmbH
1373
49
Mitsubishi Heavy Industries Engineering, Ltd.
197
41
Korea Institute of Energy Research
861
39
Blue Planet Systems Corporation
74
38
The Regents of the University of California
20035
37
ExxonMobil Research And Engineering Company
2564
33
Toshiba Corporation
12397
33
Commonwealth Scientific and Industrial Research Organisation
1660
32
IFP Energies Nouvelles
2948
32
BASF SE
20961
31
Massachusetts Institute of Technology
10093
31
Global Thermostat Operations LLC
56
31
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3992
29
Siemens AG
24421
27
Uop LLC
4242
27
Other owners 3624