- All sections
- C - Chemistry; metallurgy
- C23F - Non-mechanical removal of metallic material from surfaces; inhibiting corrosion of metallic material; inhibiting incrustation in general; multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class
- C23F 11/00 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
Patent holdings for IPC class C23F 11/00
Total number of patents in this class: 632
10-year publication summary
47
|
47
|
39
|
30
|
32
|
28
|
16
|
18
|
11
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ecolab USA Inc. | 5190 |
35 |
Sumitomo Wiring Systems, Ltd. | 9367 |
28 |
AutoNetworks Technologies, Ltd. | 5809 |
27 |
Sumitomo Electric Industries, Ltd. | 14131 |
26 |
Kyushu University, National University Corporation | 1572 |
18 |
Baker Hughes Incorporated | 5689 |
11 |
ChemTreat, Inc. | 198 |
11 |
The United States of America as represented by the Secretary of the Navy | 2734 |
7 |
Henkel AG & Co. KGaA | 10129 |
7 |
The Furukawa Electric Co., Ltd. | 3486 |
7 |
JX Nippon Oil & Energy Corporation | 1019 |
7 |
Saudi Arabian Oil Company | 11322 |
7 |
Championx USA Inc. | 250 |
7 |
Nitto Denko Corporation | 7879 |
6 |
Idemitsu Kosan Co., Ltd. | 3995 |
6 |
BL Technologies, Inc. | 831 |
6 |
Northern Technologies International Corporation | 80 |
6 |
Nihon Parkerizing Co., Ltd. | 274 |
5 |
Wincom, Inc. | 16 |
5 |
JXTG Nippon Oil & Energy Corporation | 325 |
5 |
Other owners | 395 |