Patent holdings for IPC class C02F 1/48

Total number of patents in this class: 1186

10-year publication summary

105
107
121
109
100
103
93
78
81
58
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
46449
33
Adey Holdings (2008) Limited
326
25
Evoqua Water Technologies LLC
919
23
Reverse Ionizer Systems, LLC
30
18
Daikin Industries, Ltd.
10071
17
Panasonic Intellectual Property Management Co., Ltd.
31882
15
Nanjing University
738
10
z Intellectual Property Holding Company, LLC
45
9
Panasonic Corporation
20042
8
Silver Bullet Water Treatment Company, LLC
9
8
Universidad Autonoma de Madrid
201
6
Happy Ocean (Beijing) Water Technology Co.,Ltd.
7
6
Siemens AG
24386
5
ARC Aroma Pure AB
21
5
Auburn University
508
5
Board of Trustees of the University of Arkansas
819
5
Cornell University
3330
5
Drexel University
1002
5
Evapco, Inc.
294
5
Marathon Petroleum Company LP
359
5
Other owners 968