Ultra-thin metallic foil for lightning strike protection
US-2019344905-A1 · Nov 14, 2019 · US
with at least one amorphous inorganic material layer, e.g. DLC, a-C:H, a-C:Me, the layer being doped or not
with at least one amorphous inorganic material layer, e.g. DLC, a-C:H, a-C:Me, the layer being doped or not · 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 | C23C28/046 |
| Official title | {with at least one amorphous inorganic material layer, e.g. DLC, a-C:H, a-C:Me, the layer being doped or not} |
| Display label | with at least one amorphous inorganic material layer, e.g. DLC, a-C:H, a-C:Me, the layer being doped or not |
| Total patents | 198 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 7 |
| 2017 | 14 |
| 2018 | 21 |
| 2019 | 10 |
| 2020 | 31 |
| 2021 | 29 |
| 2022 | 22 |
| 2023 | 20 |
| 2024 | 13 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coating film, manufacturing method therefor, and pvd apparatus
US-2018371608-A1 · Dec 27, 2018 · US
Sliding element, in particular piston ring, and combination of a sliding element with a mating running element
US-10131988-B2 · Nov 20, 2018 · US
Titanium product, separator and polymer electrolyte fuel cell
US-2018323447-A1 · Nov 8, 2018 · US
Coated tool
US-10118229-B2 · Nov 6, 2018 · US
Method for manufacturing master, transfer copy, and replica master
US-10095105-B2 · Oct 9, 2018 · US
Engine shaft assembly and method
US-2018274387-A1 · Sep 27, 2018 · US
Steel part and method of manufacturing the same
US-10053747-B2 · Aug 21, 2018 · US
Multi-layered sheet comprising graphene-based barrier coating
US-2018221916-A1 · Aug 9, 2018 · US
Modified surface properties of percussion tools used in downhole drilling
US-2018202033-A1 · Jul 19, 2018 · US
Piston ring
US-2018180182-A1 · Jun 28, 2018 · US
Method for producing a swashplate
US-2018154449-A1 · Jun 7, 2018 · US
Cutting tool
US-2018147635-A1 · May 31, 2018 · US
Coated metal mold and method for manufacturing same
US-2018141102-A1 · May 24, 2018 · US
Ion assisted deposition top coat of rare-earth oxide
US-9970095-B2 · May 15, 2018 · US
Modified surface properties of percussion tools used in downhole drilling
US-9951409-B2 · Apr 24, 2018 · US
Ion assisted deposition top coat of rare-earth oxide
US-2018080116-A1 · Mar 22, 2018 · US
Film forming method and film forming apparatus
US-9922820-B2 · Mar 20, 2018 · US
Rotary compressor having vane that has diamond-like carbon layer
US-9890786-B2 · Feb 13, 2018 · US
Ion assisted deposition top coat of rare-earth oxide
US-2018030589-A1 · Feb 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C28/046?
- CPC C23C28/046 is the Cooperative Patent Classification code for “with at least one amorphous inorganic material layer, e.g. DLC, a-C:H, a-C:Me, the layer being doped or not.”
- How many patents are filed under CPC C23C28/046 (with at least one amorphous inorganic material layer, e.g. DLC, a-C:H, a-C:Me, the layer being doped or not)?
- Our database includes 198 publications tagged with this CPC code.
- Is patent activity under CPC C23C28/046 growing?
- Publication counts under this code: 13 in 2024 vs 12 in 2025 (latest complete years).