Patent holdings for IPC class B01J 41/05

Total number of patents in this class: 227

10-year publication summary

22
26
34
21
18
27
17
22
30
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Organo Corporation
534
22
The Trustees of the University of Pennsylvania
4403
11
Kurita Water Industries Ltd.
1269
11
Emerging Compounds Treatment Technologies, Inc.
44
11
Dionex Corporation
329
7
3m Innovative Properties Company
17491
5
Rohm and Haas Company
2946
5
Dow Global Technologies LLC
10845
5
Stora Enso Oyj
1635
5
Northwestern University
3530
4
DDP Specialty Electronic Materials US, LLC
845
4
Daikin Industries, Ltd.
10401
3
Bayer AS
36
3
Carbon Sink Inc.
30
3
Donaldson Company, Inc.
1598
3
Nomura Micro Science Co., Ltd.
84
3
Waters Technologies Corporation
1791
3
Agua DB Ltd
3
3
Panasonic Intellectual Property Management Co., Ltd.
33812
2
W. L. Gore & Associates, Inc.
2708
2
Other owners 112