Patent holdings for IPC class E03B 3/02

Total number of patents in this class: 191

10-year publication summary

16
14
27
29
13
23
20
28
32
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Rain Harvesting Pty. Ltd.
18
11
Totetu Mfg. Co. Ltd.
14
6
Ebara Corporation
1951
4
Beijing Rechsand Science & Technology Group Co., Ltd.
38
4
Chongqing University
221
3
South East Water Corporation
50
3
WISY AG Haustechniksysteme, Filtertechnik
8
3
Qf Technologies AS
3
3
Civ-Con Products & Solutions, LLC
4
3
The Furukawa Electric Co., Ltd.
3486
2
3P Technik Filtersysteme GmbH
12
2
BlueScope Steel Limited
223
2
Husqvarna AB
2824
2
Imbrium Systems Inc.
4
2
Sukup Manufacturing Company
118
2
Teijin Limited
1216
2
Universitat Stuttgart
280
2
One Water Naturally Pty. Ltd.
4
2
Wisy AG
3
2
Chen, Jui-wen
2
2
Other owners 129