Patent holdings for IPC class C02F 1/48

Total number of patents in this class: 1156

10-year publication summary

111
116
133
113
107
107
96
80
81
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
44678
33
Adey Holdings (2008) Limited
334
24
Evoqua Water Technologies LLC
905
23
Reverse Ionizer Systems, LLC
26
18
Daikin Industries, Ltd.
9766
17
Panasonic Intellectual Property Management Co., Ltd.
29567
15
Nanjing University
691
10
z Intellectual Property Holding Company, LLC
52
9
Panasonic Corporation
20339
8
Silver Bullet Water Treatment Company, LLC
9
8
ARC Aroma Pure AB
22
6
Happy Ocean (Beijing) Water Technology Co.,Ltd.
7
6
BASF SE
20367
5
Siemens AG
24575
5
Auburn University
499
5
Board of Trustees of the University of Arkansas
783
5
Cornell University
3184
5
Drexel University
969
5
Evapco, Inc.
271
5
Universidad Autonoma de Madrid
205
5
Other owners 939