Piercing plug and manufacturing method of piercing plug
US-2016053358-A1 · Feb 25, 2016 · US
containing only metal elements (C23C4/073 takes precedence)
containing only metal elements (C23C4/073 takes precedence) · 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 | C23C4/08 |
| Official title | containing only metal elements (C23C4/073 takes precedence) |
| Display label | containing only metal elements (C23C4/073 takes precedence) |
| Total patents | 604 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 59 |
| 2016 | 54 |
| 2017 | 73 |
| 2018 | 62 |
| 2019 | 63 |
| 2020 | 62 |
| 2021 | 62 |
| 2022 | 46 |
| 2023 | 43 |
| 2024 | 48 |
| 2025 | 24 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Film growing method
US-2015368779-A1 · Dec 24, 2015 · US
Fire-and electromagnetic interference (emi)-resistant aircraft components and methods for manufacturing the same
US-2015367955-A1 · Dec 24, 2015 · US
Aluminum clutch components with ferrous surface
US-2015361539-A1 · Dec 17, 2015 · US
Methods of fabricating a layer of metallic glass-based material using immersion and pouring techniques
US-9211564-B2 · Dec 15, 2015 · US
Al-Ni-La system Al-based alloy sputtering target
US-9212418-B2 · Dec 15, 2015 · US
Method for forming a coating matrix on a shaft and disk assembly for a turbine
US-2015345504-A1 · Dec 3, 2015 · US
Deposition of a protective coating including metal-containing and chromium-containing layers on zirconium alloy for nuclear power applications
US-2015348652-A1 · Dec 3, 2015 · US
Integrated Wiring System for Composite Structures
US-2015342077-A1 · Nov 26, 2015 · US
Piercing plug
US-2015321233-A1 · Nov 12, 2015 · US
Heat radiation member and method for manufacturing the same
US-2015315699-A1 · Nov 5, 2015 · US
New product and use thereof
US-2015307968-A1 · Oct 29, 2015 · US
Cold gas dynamic spray apparatus, system and method
US-9168546-B2 · Oct 27, 2015 · US
Method for ejecting molten metals
US-2015299839-A1 · Oct 22, 2015 · US
A porous coating applied onto an aerial article
US-2015292074-A1 · Oct 15, 2015 · US
Methods for applying aluminum coating layer to a core of copper wire
US-2015290738-A1 · Oct 15, 2015 · US
Coating layer with protection and thermal conductivity
US-2015284833-A1 · Oct 8, 2015 · US
Apparatus and method for facilitating transmission of a wireless signal from embedded sensors
US-2015285837-A1 · Oct 8, 2015 · US
Method for applying a high-temperature stable coating layer on the surface of a component and component with such a coating layer
US-2015284834-A1 · Oct 8, 2015 · US
Abrasive Tip Blade Manufacture Methods
US-2015275679-A1 · Oct 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C4/08?
- CPC C23C4/08 is the Cooperative Patent Classification code for “containing only metal elements (C23C4/073 takes precedence).”
- How many patents are filed under CPC C23C4/08 (containing only metal elements (C23C4/073 takes precedence))?
- Our database includes 604 publications tagged with this CPC code.
- Is patent activity under CPC C23C4/08 growing?
- Publication counts under this code: 48 in 2024 vs 24 in 2025 (latest complete years).