Patent holdings for IPC class C02F 1/463

Total number of patents in this class: 473

10-year publication summary

34
37
45
45
34
36
30
37
29
19
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
E2Metrix Inc.
25
10
Muddy River Technologies Inc.
13
10
Saudi Arabian Oil Company
13409
10
Kolina Limited
9
8
Halliburton Energy Services, Inc.
20964
7
Evoqua Water Technologies LLC
920
7
Nuquatic, LLC
23
7
Amogreentech Co., Ltd.
617
6
Thought Preserve, LLC
13
6
Katz Water Tech, LLC
30
6
Metso Finland Oy
464
6
General Electric Company
13858
5
Chevron U.S.A. Inc.
3996
5
Proterrgo Inc.
10
5
SK Innovation Co., Ltd.
1360
5
United Arab Emirates University
332
5
Evolution Aqua Limited
19
5
Metso Outotec Finland Oy
348
5
The Regents of the University of California
20108
4
Aramco Services Company
4033
4
Other owners 347