- All sections
- C - Chemistrymetallurgy
- C23F - Non-mechanical removal of metallic material from surfacesinhibiting corrosion of metallic materialinhibiting incrustation in generalmulti-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 13/00 - Inhibiting corrosion of metals by anodic or cathodic protection
Patent holdings for IPC class C23F 13/00
Total number of patents in this class: 164
10-year publication summary
|
9
|
7
|
10
|
7
|
13
|
12
|
5
|
7
|
2
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13349 |
8 |
| Rtx Corporation | 9437 |
5 |
| Hitachi, Ltd. | 15556 |
4 |
| Fujimori Kogyo Co., Ltd. | 228 |
4 |
| Canadian Auto Preservation Inc. | 15 |
3 |
| HS R & a Co., Ltd. | 30 |
3 |
| UACJ Corporation | 701 |
3 |
| GM Global Technology Operations LLC | 15150 |
2 |
| Board of Regents, The University of Texas System | 5849 |
2 |
| Carrier Corporation | 4294 |
2 |
| A. o. Smith Corporation | 212 |
2 |
| American Lithium Energy Corporation | 56 |
2 |
| Aramco Services Company | 4023 |
2 |
| Enthone Inc. | 56 |
2 |
| Northern Technologies International Corporation | 91 |
2 |
| Packless Industries | 6 |
2 |
| Peccell Technologies, Inc. | 5 |
2 |
| Schottel GmbH | 52 |
2 |
| Sekisui Plastics Co., Ltd. | 333 |
2 |
| Sho-bond Corporation | 13 |
2 |
| Other owners | 108 |