Patent holdings for IPC class B01D 33/04

Total number of patents in this class: 162

10-year publication summary

14
15
7
12
8
11
6
8
8
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Cubility AS
38
9
Tsukishima Kikai Co., Ltd.
112
7
Pro-flo AS
5
5
Metawater Co., Ltd.
202
4
Nexom (U.S.), Inc.
13
4
CONTITECH TRANSPORTBANDSYSTEME GmbH
180
3
Univenture, Inc., AKA Biobent Polymers
7
3
ISM&M, Inc.
3
3
Schellstede-lee Interests, LLC
3
3
Mitsubishi Power, Ltd.
1819
3
Mitsubishi Heavy Industries, Ltd.
8999
2
Murata Manufacturing Co., Ltd.
25356
2
Bridgestone Corporation
7243
2
Georgia Tech Research Corporation
2893
2
Alfa Laval Corporate AB
1330
2
Blue Water Technologies, Inc.
3
2
Cranfield University
91
2
Electricite de France
742
2
IHI Corporation
3506
2
Ishigaki Company Limited
44
2
Other owners 98