Patent holdings for IPC class B01D 53/62

Total number of patents in this class: 5384

10-year publication summary

244
216
192
194
244
321
471
557
728
447
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
9172
334
Saudi Arabian Oil Company
14329
64
The Kansai Electric Power Co., Inc.
122
63
IHI Corporation
3534
57
Alstom Technology Ltd
1035
51
General Electric Technology GmbH
1337
51
The Regents of the University of California
20842
44
Blue Planet Systems Corporation
78
44
Mitsubishi Heavy Industries Engineering, Ltd.
194
41
Korea Institute of Energy Research
902
40
Commonwealth Scientific and Industrial Research Organisation
1650
37
IFP Energies Nouvelles
3110
36
Massachusetts Institute of Technology
10285
34
BASF SE
21320
33
ExxonMobil Research And Engineering Company
2398
33
Toshiba Corporation
12625
33
Uop LLC
4397
33
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4122
30
Global Thermostat Operations LLC
57
28
Siemens AG
23983
27
Other owners 4271