Single-crystal diamond and method of manufacturing the same
US-2024175167-A1 · May 30, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B32/25 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 319 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 24 |
| 2017 | 48 |
| 2018 | 40 |
| 2019 | 39 |
| 2020 | 40 |
| 2021 | 19 |
| 2022 | 26 |
| 2023 | 20 |
| 2024 | 19 |
| 2025 | 15 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Abrasive particles having a unique morphology
US-2017362481-A9 · Dec 21, 2017 · US
Composite polycrystal and method for manufacturing the same
US-2017349441-A1 · Dec 7, 2017 · US
Process for pure carbon production, compositions, and methods thereof
US-2017320742-A1 · Nov 9, 2017 · US
Combined field assisted sintering techniques and hthp sintering techniques for forming polycrystalline diamond compacts and earth-boring tools
US-2017291157-A1 · Oct 12, 2017 · US
Metal-containing transaction cards and methods of making the same
US-9760816-B1 · Sep 12, 2017 · US
Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and tool
US-2017233889-A1 · Aug 17, 2017 · US
Combined field assisted sintering techniques and HTHP sintering techniques for forming polycrystalline diamond compacts and earth-boring tools
US-9707531-B2 · Jul 18, 2017 · US
Method for producing carbon particles by detonation
US-2017183234-A1 · Jun 29, 2017 · US
Method for producing synthetic diamonds
US-2017166450-A1 · Jun 15, 2017 · US
Pitting resistant carbon coating
US-2017137926-A1 · May 18, 2017 · US
Single crystal diamond, method for manufacturing single crystal diamond, and tool containing single crystal diamond
US-2017130362-A1 · May 11, 2017 · US
Methods of manufacturing synthetic diamond material by microwave plasma enhanced chemical vapor deposition from a microwave generator and gas inlet(s) disposed opposite the growth surface area
US-9637838-B2 · May 2, 2017 · US
Direct conversion of carbon into diamond and structures for a variety of applications
US-2017037531-A1 · Feb 9, 2017 · US
Conversion of boron nitride into n-type and p-type doped cubic boron nitride and structures
US-2017037540-A1 · Feb 9, 2017 · US
Synthesis and processing of novel phase of boron nitride (q-bn)
US-2017037533-A1 · Feb 9, 2017 · US
Diamond components for quantum imaging, sensing and information processing devices
US-2016348277-A1 · Dec 1, 2016 · US
Compositions of and methods for making stable carbonaceous nanomaterials
US-2016348498-A1 · Dec 1, 2016 · US
Diamond polycrystalline body and method for manufacturing the same, and tool
US-9487446-B2 · Nov 8, 2016 · US
Diamond polycrystalline body and method for manufacturing the same, and tool
US-9487447-B2 · Nov 8, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/25?
- CPC C01B32/25 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B32/25 (Chemistry & Metallurgy)?
- Our database includes 319 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/25 growing?
- Publication counts under this code: 19 in 2024 vs 15 in 2025 (latest complete years).