Patent holdings for IPC class B01D 47/00

Total number of patents in this class: 514

10-year publication summary

46
30
35
28
29
15
19
9
3
1
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.
1474
8
King Fahd University of Petroleum and Minerals
1576
7
CHZ Technologies, LLC
17
7
Mitsubishi Heavy Industries, Ltd.
9139
5
Alfa Laval Corporate AB
1336
5
Stamicarbon B.V.
321
5
Tokyo Electron Limited
13824
4
Uop LLC
4393
4
Chiyoda Corporation
423
4
Donaldson Company, Inc.
1607
4
Edwards Limited
773
4
General Electric Technology GmbH
1337
4
ThyssenKrupp AG
3399
4
Tokyo ROKI Co., Ltd.
70
4
Samsung Electronics Co., Ltd.
157946
3
Fuji Electric Co., Ltd.
5488
3
Beijing Boyuan Hengsheng High-technology Co., Ltd
21
3
Blue Skies Research, Inc.
4
3
CalPortland Company
54
3
ExxonMobil Upstream Research Company
2302
3
Other owners 427