Patent holdings for IPC class C02F 1/461

Total number of patents in this class: 3044

10-year publication summary

199
240
247
267
249
302
289
279
290
89
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Panasonic Intellectual Property Management Co., Ltd.
33737
144
Evoqua Water Technologies LLC
930
46
Industrie de Nora S.p.A.
277
34
Nihon Trim Co., Ltd.
114
34
Samsung Electronics Co., Ltd.
154987
33
Axine Water Technologies Inc.
48
30
Robert Bosch GmbH
43751
28
The Regents of the University of California
20594
19
Tennant Company
262
16
Nuquatic, LLC
25
16
Centre National de La Recherche Scientifique
10899
15
Koninklijke Philips N.V.
25680
15
California Institute of Technology
4021
15
Boying Xiamen Science and Technology Co., Ltd.
31
15
Techwin Co., Ltd.
66
15
ElectroSea, LLC
49
15
Techcross Co., Ltd.
37
14
Massachusetts Institute of Technology
10202
13
Mangrove Water Technologies Ltd.
36
13
LG Electronics Inc.
75196
12
Other owners 2502