Patent holdings for IPC class B01J 2/22

Total number of patents in this class: 147

10-year publication summary

11
13
9
15
3
9
8
10
4
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saint-Gobain Ceramics & Plastics, Inc.
810
9
Atacama Labs Oy
14
8
Sintokogio, Ltd.
1179
6
Jiangsu Sany Environmental Technology Ltd
11
5
Maschinenfabrik Köppern GmbH & Co. KG
77
4
Furukawa Industrial Machinery Systems Co., Ltd.
11
3
Stamicarbon B.V.
312
3
University of South Carolina
838
3
Wuzhoufeng Agricultural Science & Technology Co., Ltd
10
3
Zhejiang Canaan Technology Limited
24
3
Furukawa Co., Ltd.
95
3
Janssen Pharmaceutica N.V.
3262
2
Merck Patent GmbH
5723
2
National Institute of Advanced Industrial Science and Technology
3795
2
Coperion GmbH
163
2
Goertek Inc.
2750
2
Maag Automatik GmbH
32
2
TYROLIT - Schleifmittelwerke Swarovski K.G.
61
2
Wellmark International
123
2
Yara International ASA
880
2
Other owners 79