Patent holdings for IPC class B01D 47/00

Total number of patents in this class: 523

10-year publication summary

50
37
29
33
28
29
15
17
7
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Air Products and Chemicals, Inc.
1455
8
King Fahd University of Petroleum and Minerals
1379
7
CHZ Technologies, LLC
17
7
Mitsubishi Heavy Industries, Ltd.
8900
5
Alfa Laval Corporate AB
1327
5
Stamicarbon B.V.
303
5
Tokyo Electron Limited
13155
4
Uop LLC
4259
4
Chiyoda Corporation
400
4
Donaldson Company, Inc.
1589
4
Edwards Limited
792
4
General Electric Technology GmbH
1372
4
ThyssenKrupp AG
3349
4
Tokyo ROKI Co., Ltd.
69
4
Samsung Electronics Co., Ltd.
149198
3
GM Global Technology Operations LLC
15401
3
Fuji Electric Co., Ltd.
5268
3
Beijing Boyuan Hengsheng High-technology Co., Ltd
21
3
Blue Skies Research, Inc.
4
3
CalPortland Company
47
3
Other owners 436