Patent holdings for IPC class B01D 47/00

Total number of patents in this class: 552

10-year publication summary

33
54
46
30
35
28
28
13
15
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Air Products and Chemicals, Inc.
1448
9
King Fahd University of Petroleum and Minerals
779
7
CHZ Technologies, LLC
17
7
Donaldson Company, Inc.
1513
6
General Electric Technology GmbH
1657
6
Mitsubishi Heavy Industries, Ltd.
8217
5
Alfa Laval Corporate AB
1265
5
Stamicarbon B.V.
265
5
Midwest Energy Emissions Corp.
26
5
BASF Corporation
2039
4
Tokyo Electron Limited
11599
4
Uop LLC
4083
4
Fuji Electric Co., Ltd.
4750
4
Chiyoda Corporation
363
4
ConocoPhillips Company
1657
4
Edwards Limited
764
4
Topsoe A/S
732
4
LG Electronics Inc.
69257
3
GM Global Technology Operations LLC
13620
3
Battelle Energy Alliance, LLC
569
3
Other owners 456