Patent holdings for IPC class B01D 47/00

Total number of patents in this class: 520

10-year publication summary

37
29
33
28
29
15
17
7
3
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Air Products and Chemicals, Inc.
1455
8
King Fahd University of Petroleum and Minerals
1428
7
CHZ Technologies, LLC
17
7
Mitsubishi Heavy Industries, Ltd.
8951
5
Alfa Laval Corporate AB
1330
5
Stamicarbon B.V.
306
5
Tokyo Electron Limited
13336
4
Uop LLC
4273
4
Chiyoda Corporation
405
4
Donaldson Company, Inc.
1600
4
Edwards Limited
793
4
General Electric Technology GmbH
1359
4
ThyssenKrupp AG
3388
4
Tokyo ROKI Co., Ltd.
69
4
Samsung Electronics Co., Ltd.
151017
3
GM Global Technology Operations LLC
15564
3
Fuji Electric Co., Ltd.
5313
3
Beijing Boyuan Hengsheng High-technology Co., Ltd
21
3
Blue Skies Research, Inc.
4
3
CalPortland Company
48
3
Other owners 433