Glass tube for pharmaceutical containers and manufacturing process for a glass tube
US-2026097986-A1 · Apr 9, 2026 · US
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by fusing, e.g. for flame sealing (C03B9/42, C03B21/06 {C03B23/099} , C03B33/08 take precedence)
by fusing, e.g. for flame sealing (C03B9/42, C03B21/06 {C03B23/099} , C03B33/08 take 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 | C03B23/057 |
| Official title | by fusing, e.g. for flame sealing (C03B9/42, C03B21/06 {C03B23/099} , C03B33/08 take precedence) |
| Display label | by fusing, e.g. for flame sealing (C03B9/42, C03B21/06 {C03B23/099} , C03B33/08 take precedence) |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glass tube for pharmaceutical containers and manufacturing process for a glass tube
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Method for evaluation of glass container
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Glass tube production method
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Glass container comprising a glass bottom with improved properties
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Bottom forming process
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Glass container comprising a glass bottom with improved properties
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Method for evaluation of glass container
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Method for homogenizing glass
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Capillary tube and method of producing the same
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