Apparatus for growing single crystalline ingot and method for growing same
US-2019382915-A1 · Dec 19, 2019 · US
Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal · 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 | C30B15/22 |
| Official title | Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal |
| Display label | Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal |
| Total patents | 162 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 13 |
| 2017 | 15 |
| 2018 | 16 |
| 2019 | 14 |
| 2020 | 13 |
| 2021 | 16 |
| 2022 | 21 |
| 2023 | 14 |
| 2024 | 16 |
| 2025 | 15 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
ScAlMgO4 SINGLE CRYSTAL AND DEVICE
US-2019376207-A1 · Dec 12, 2019 · US
Apparatus for controlling heat flow within a silicon melt
US-2019338442-A1 · Nov 7, 2019 · US
Silicon single crystal pulling condition calculation program, silicon single crystal hot zone improvement method, and silicon single crystal growing method
US-2019330760-A1 · Oct 31, 2019 · US
Apparatus for growing single crystalline ingot and method for growing same
US-10435809-B2 · Oct 8, 2019 · US
Apparatus for controlling heat flow within a silicon melt
US-2019284715-A1 · Sep 19, 2019 · US
Pulling control device for single crystal ingot growth and pulling control method applied thereto
US-2019218683-A1 · Jul 18, 2019 · US
Silicon monocrystal production method
US-2019186042-A1 · Jun 20, 2019 · US
Process for producing silicon single crystal
US-10287704-B2 · May 14, 2019 · US
Manufacturing method of monocrystalline silicon and monocrystalline silicon
US-10233564-B2 · Mar 19, 2019 · US
Monocrystal growth system and method capable of controlling shape of ingot interface
US-10214834-B2 · Feb 26, 2019 · US
Method for determining and regulating a diameter of a single crystal during pulling of the single crystal
US-2018363163-A1 · Dec 20, 2018 · US
Semiconductor single crystal pulling apparatus and method for remelting semiconductor single crystal using this
US-10113247-B2 · Oct 30, 2018 · US
Method for growing a silicon crystal substrate from a melt by directing a flow of molten silicon around a baffle structure
US-10106911-B2 · Oct 23, 2018 · US
Method for growing monocrystalline silicon and monocrystalline silicon ingot prepared thereof
US-10100431-B2 · Oct 16, 2018 · US
Method for producing a silicon single crystal doped with red phosphorous with reduced number of stacking faults and method for producing a silicon wafer using the same
US-10100429-B2 · Oct 16, 2018 · US
Method for growing silicon single crystal
US-10100430-B2 · Oct 16, 2018 · US
Method for producing single crystal with reduced number of crystal defects
US-10094043-B2 · Oct 9, 2018 · US
Apparatus for growing single crystalline ingot and method for growing same
US-2018237939-A1 · Aug 23, 2018 · US
Apparatus for producing silicon single crystal
US-10036100-B2 · Jul 31, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C30B15/22?
- CPC C30B15/22 is the Cooperative Patent Classification code for “Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal.”
- How many patents are filed under CPC C30B15/22 (Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal)?
- Our database includes 162 publications tagged with this CPC code.
- Is patent activity under CPC C30B15/22 growing?
- Publication counts under this code: 16 in 2024 vs 15 in 2025 (latest complete years).