Silver-containing film and method for producing same
US-2024279816-A1 · Aug 22, 2024 · US
including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates · 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 | C23C28/34 |
| Official title | {including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates} |
| Display label | including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates |
| Total patents | 862 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 53 |
| 2016 | 43 |
| 2017 | 62 |
| 2018 | 78 |
| 2019 | 80 |
| 2020 | 97 |
| 2021 | 100 |
| 2022 | 86 |
| 2023 | 95 |
| 2024 | 85 |
| 2025 | 68 |
| 2026 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface-treated steel sheet
US-2024044013-A1 · Feb 8, 2024 · US
Electrochemical approach for cancer detection
US-2016356739-A1 · Dec 8, 2016 · US
Hose clip and manufacturing process thereof
US-2016273691-A1 · Sep 22, 2016 · US
Surgical implant
US-9283303-B2 · Mar 15, 2016 · US
Coating material for parts of engine exhaust system and method for manufacturing the same
US-2016069245-A1 · Mar 10, 2016 · US
Extreme ultraviolet mask blank production system with thin absorber and manufacturing system therefor
US-2016011499-A1 · Jan 14, 2016 · US
Supercapacitors with Carbon Nanostructure Electrodes
US-2015380174-A1 · Dec 31, 2015 · US
Applied magnetic field synthesis and processing of iron nitride magnetic materials
US-2015380158-A1 · Dec 31, 2015 · US
Slide parts and equipment including same
US-9222166-B2 · Dec 29, 2015 · US
Aluminum alloy for plain bearing, plain bearing and production method for the bearing
US-9217193-B2 · Dec 22, 2015 · US
Decorative part with substrate and multi-layer hardening laminate
US-9212408-B2 · Dec 15, 2015 · US
Printhead die with multiple termination rings
US-2015352843-A1 · Dec 10, 2015 · US
Inhibiting background plating
US-9206520-B2 · Dec 8, 2015 · US
Phosphate solution for zinc or zinc-based alloy plated steel sheet, and zinc or zinc-based alloy plated steel sheet using the same
US-2015329972-A1 · Nov 19, 2015 · US
Coating material for parts of engine exhaust system and method for manufacturing the same
US-9181847-B2 · Nov 10, 2015 · US
Element provided with at least one slide surface for use on an internal combustion engine
US-9181870-B2 · Nov 10, 2015 · US
Coating for a CoCrMo substrate
US-9175386-B2 · Nov 3, 2015 · US
LOW PERMEABILITY HIGH PRESSURE COMPRESSOR ABRADABLE SEAL FOR BARE Ni AIRFOILS HAVING CONTINUOUS METAL MATRIX
US-2015308281-A1 · Oct 29, 2015 · US
Method for manufacturing compound solar cell
US-2015303346-A1 · Oct 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C28/34?
- CPC C23C28/34 is the Cooperative Patent Classification code for “including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates.”
- How many patents are filed under CPC C23C28/34 (including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates)?
- Our database includes 862 publications tagged with this CPC code.
- Is patent activity under CPC C23C28/34 growing?
- Publication counts under this code: 85 in 2024 vs 68 in 2025 (latest complete years).