Method and apparatus for the production of glass tubes with closed ends
US-2025100920-A1 · Mar 27, 2025 · US
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Re-forming and sealing ampoules
Re-forming and sealing ampoules · 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 | C03B23/18 |
| Official title | Re-forming and sealing ampoules |
| Display label | Re-forming and sealing ampoules |
| Total patents | 23 |
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 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for further processing of a glass tube semi-finished product including thermal forming
US-11975999-B2 · May 7, 2024 · US
Method and apparatus for the hot forming of glass workpieces, and hot-formed glass container
US-2023106814-A1 · Apr 6, 2023 · US
Method and apparatus for the hot forming of glass workpieces, and hot-formed glass container
US-11565961-B2 · Jan 31, 2023 · US
Hollow body having a wall with a layer of glass and at least one elevated region
US-11491757-B2 · Nov 8, 2022 · US
Glass tube production method
US-11390553-B2 · Jul 19, 2022 · US
Glass tube production method
US-2021284566-A1 · Sep 16, 2021 · US
Glass container with an improved bottom geometry
US-11014701-B2 · May 25, 2021 · US
Vial and method for producing the same
US-10894735-B2 · Jan 19, 2021 · US
Method and apparatus for the hot forming of glass workpieces, and hot-formed glass container
US-2020123038-A1 · Apr 23, 2020 · US
Glass container with an improved bottom geometry
US-2019352038-A1 · Nov 21, 2019 · US
Hollow body having a wall with a layer of glass and at least one elevated region
US-2019343720-A1 · Nov 14, 2019 · US
Method for producing glass bottles with a low delamination tendency under the effect of a purge gas flow
US-2019263707-A1 · Aug 29, 2019 · US
Method for further processing of a glass tube semi-finished product including thermal forming
US-2018162765-A1 · Jun 14, 2018 · US
Method for further processing a glass tube semi-finished product
US-2018164226-A1 · Jun 14, 2018 · US
Glass bio-containers and methods for manufacturing the same
US-2018125756-A1 · May 10, 2018 · US
Vial and method for producing the same
US-2017327405-A1 · Nov 16, 2017 · US
Vial and method for producing the same
US-2017327404-A1 · Nov 16, 2017 · US
Vial and method for producing the same
US-9751795-B2 · Sep 5, 2017 · US
Vial and method for producing the same
US-9580349-B2 · Feb 28, 2017 · US