Patent holdings for IPC class B01J 2/00

Total number of patents in this class: 624

10-year publication summary

32
62
66
59
44
55
43
21
17
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Freund Corporation
73
11
Daiki Co., Ltd.
156
10
Schaefer Kalk GmbH & Co. KG
46
9
ThyssenKrupp AG
3266
8
3m Innovative Properties Company
17849
6
Dead Sea Works Ltd.
20
6
I.M.A. Industria Macchine Automatiche S.p.A.
466
6
Kabushiki Kaisha Powrex
9
6
Yara International ASA
837
6
Canon Kabushiki Kaisha
7042
6
LG Chem, Ltd.
17561
5
Harsco Corporation
50
5
Resodyn Corporation
31
5
Applied Materials, Inc.
18406
4
Central Glass Company, Limited
1264
4
Glatt Maschinen-und Apparatebau AG
17
4
ICL Europe Cooperatief U.A.
110
4
Nous, LLC
15
4
Saint-Gobain Ceramics & Plastics, Inc.
841
4
Sumitomo Bakelite Co., Ltd.
1485
4
Other owners 507