Multi-stage treatment for activated zinc phosphating of metallic components
US-2025354269-A1 · Nov 20, 2025 · US
Controlling or regulating of the coating process
Controlling or regulating of the coating process · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23C22/77 |
| Official title | Controlling or regulating of the coating process |
| Display label | Controlling or regulating of the coating process |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 11 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing grain-oriented electrical steel sheet and annealing separator application line
US-12467106-B2 · Nov 11, 2025 · US
Oriented electrical steel sheet and method for manufacturing same
US-12404562-B2 · Sep 2, 2025 · US
Laminate, metal plating solution, and manufacturing process of laminate
US-12371792-B2 · Jul 29, 2025 · US
Method for manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheet
US-2025188560-A1 · Jun 12, 2025 · US
Abutment
US-12156779-B2 · Dec 3, 2024 · US
Metal-doped boron films
US-12077852-B2 · Sep 3, 2024 · US
Multi-stage treatment for activated zinc phosphatizing of metallic components with zinc surfaces
US-2024271289-A1 · Aug 15, 2024 · US
Semiconductor device patterning methods
US-2024271272-A1 · Aug 15, 2024 · US
Semiconductor device patterning methods
US-11987875-B2 · May 21, 2024 · US
Selective deposition of silicon oxide on dielectric surfaces relative to metal surfaces
US-11898240-B2 · Feb 13, 2024 · US
Chemical surface treatment method of metal for bonding materials
US-2024044010-A1 · Feb 8, 2024 · US
Method of producing metal coated steel strip
US-2023349034-A1 · Nov 2, 2023 · US
Semiconductor device patterning methods
US-2023142926-A1 · May 11, 2023 · US
Laminate, metal plating solution, and manufacturing process of laminate
US-2023143193-A1 · May 11, 2023 · US
Systems and methods for maintaining pretreatment baths
US-11566330-B2 · Jan 31, 2023 · US
Bearing component
US-2022411936-A1 · Dec 29, 2022 · US
Bismuth compositions for metal pretreatment applications
US-2022364240-A1 · Nov 17, 2022 · US
Metal-doped boron films
US-2022341034-A1 · Oct 27, 2022 · US
Processing system and platform for wet atomic layer etching using self-limiting and solubility-limited reactions
US-11437250-B2 · Sep 6, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/77?
- CPC C23C22/77 is the Cooperative Patent Classification code for “Controlling or regulating of the coating process.”
- How many patents are filed under CPC C23C22/77 (Controlling or regulating of the coating process)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/77 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).