Patent holdings for IPC class B01J 2/12

Total number of patents in this class: 123

10-year publication summary

8
12
8
15
13
7
6
3
9
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Freund Corporation
70
5
Commissariat à l'énergie atomique et aux energies alternatives
10955
4
Kabushiki Kaisha Powrex
8
4
Maschinenfabrik Gustav Eirich GmbH & Co. KG
124
4
Enersul Inc.
10
3
JFE Steel Corporation
7012
3
Purolite ( China ) Co., Ltd.
6
3
Aston Particle Technologies Limited
6
3
Kao Corporation
4995
2
Purdue Research Foundation
3707
2
ICL Europe Cooperatief U.A.
110
2
Nippon Shokubai Co., Ltd.
1504
2
Nous, LLC
15
2
Pharmatec GmbH
8
2
Polytex Sportbeläge Produktions-GmbH
110
2
Primetals Technologies Austria GmbH
547
2
Tipton Corp.
18
2
Universidad Tecnica Federico Santa Maria
130
2
University of Greenwich
72
2
Carbon Technology Holdings, LLC
220
2
Other owners 70