Patent holdings for IPC class B01J 2/12

Total number of patents in this class: 123

10-year publication summary

11
12
9
15
14
8
6
3
8
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Freund Corporation
72
5
Kabushiki Kaisha Powrex
9
5
Commissariat à l'énergie atomique et aux energies alternatives
10923
4
Maschinenfabrik Gustav Eirich GmbH & Co. KG
125
4
Enersul Inc.
10
3
JFE Steel Corporation
6833
3
Purolite ( China ) Co., Ltd.
6
3
Aston Particle Technologies Limited
6
3
Kao Corporation
4964
2
Purdue Research Foundation
3601
2
Agrium Inc.
10
2
ICL Europe Cooperatief U.A.
110
2
Nippon Shokubai Co., Ltd.
1510
2
Nous, LLC
15
2
Pharmatec GmbH
8
2
Polytex Sportbeläge Produktions-GmbH
108
2
Primetals Technologies Austria GmbH
532
2
Tipton Corp.
17
2
Universidad Tecnica Federico Santa Maria
130
2
University of Greenwich
71
2
Other owners 69