- 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 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: 170
10-year publication summary
25
|
9
|
7
|
11
|
8
|
14
|
13
|
5
|
8
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 11322 |
8 |
Hitachi, Ltd. | 16452 |
4 |
Fujimori Kogyo Co., Ltd. | 257 |
4 |
Rtx Corporation | 8674 |
4 |
Canadian Auto Preservation Inc. | 15 |
3 |
HS R & a Co., Ltd. | 27 |
3 |
UACJ Corporation | 631 |
3 |
GM Global Technology Operations LLC | 13620 |
2 |
Board of Regents, The University of Texas System | 5370 |
2 |
Carrier Corporation | 4759 |
2 |
A. o. Smith Corporation | 204 |
2 |
Applied Semiconductor International, Ltd. | 2 |
2 |
Aramco Services Company | 3504 |
2 |
Enthone Inc. | 65 |
2 |
Northern Technologies International Corporation | 80 |
2 |
Packless Industries | 6 |
2 |
Peccell Technologies, Inc. | 5 |
2 |
Rheem Manufacturing Company | 861 |
2 |
Schottel GmbH | 52 |
2 |
Sekisui Plastics Co., Ltd. | 345 |
2 |
Other owners | 115 |