Patent holdings for IPC class C02F 3/04

Total number of patents in this class: 236

10-year publication summary

28
20
18
22
24
34
26
20
15
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Evoqua Water Technologies LLC
914
14
Atlantic Sapphire IP, LLC
35
8
Metawater Co., Ltd.
194
7
Imam Abdulrahman Bin Faisal University
507
6
Contech Engineered Solutions LLC
278
4
Stormtree Inc.
10
4
Bayer AG
3323
3
Advanced Drainage Systems, Inc.
340
3
BL Technologies, Inc.
833
3
Deutsches Zentrum für Luft- und Raumfahrt e.V.
789
3
IHI Corporation
3414
3
Oldcastle Infrastructure, Inc.
108
3
Lake Restoration Solutions, Inc.
4
3
DDP Specialty Electronic Materials US, LLC
801
3
Crosswater Systems, LLC
3
3
Rhizoscape Technologies Pty Ltd
3
3
Anua International LLC
35
2
Banner Environmental Engineering Consultants Ltd.
4
2
Cambrian Innovation Inc.
27
2
Chongqing University
269
2
Other owners 155