Patent holdings for IPC class B01D 53/62

Total number of patents in this class: 4569

10-year publication summary

200
244
216
192
194
244
319
466
502
377
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8712
290
IHI Corporation
3425
60
The Kansai Electric Power Co., Inc.
134
58
Saudi Arabian Oil Company
13091
58
Alstom Technology Ltd
1108
52
General Electric Technology GmbH
1368
49
Mitsubishi Heavy Industries Engineering, Ltd.
196
41
Korea Institute of Energy Research
852
39
Blue Planet Systems Corporation
74
38
The Regents of the University of California
19898
37
ExxonMobil Research And Engineering Company
2576
33
Toshiba Corporation
12334
33
Commonwealth Scientific and Industrial Research Organisation
1654
33
IFP Energies Nouvelles
2945
32
BASF SE
20926
31
Massachusetts Institute of Technology
10051
30
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3976
29
Global Thermostat Operations LLC
54
29
Siemens AG
24505
27
Uop LLC
4244
27
Other owners 3543