Method and system for controlling a tin bath atmosphere for the reduction of surface defects
US-12570563-B2 · Mar 10, 2026 · US
Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath
Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath · 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 | C03B18/20 |
| Official title | Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath |
| Display label | Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for tin bath monitoring and control
US-12441646-B2 · Oct 14, 2025 · US
Glass substrate for vehicle glazing, in particular for the windscreen of a vehicle
US-12246980-B2 · Mar 11, 2025 · US
Method and System for Controlling a Tin Bath Atmosphere for the Reduction of Surface Defects
US-2024109802-A1 · Apr 4, 2024 · US
Systems and methods of electrochemical hydrogen generation to provide a reducing ambient for industrial fabrication
US-11773001-B2 · Oct 3, 2023 · US
Borosilicate light extraction region
US-11770950-B2 · Sep 26, 2023 · US
Float glass production device and float glass production method
US-11760679-B2 · Sep 19, 2023 · US
Prestressing a flat glass by generating a gradient in the surface composition
US-2022411316-A1 · Dec 29, 2022 · US
Method for tin bath monitoring and control
US-2022169549-A1 · Jun 2, 2022 · US
Float bath exit seal
US-11339078-B2 · May 24, 2022 · US
Borosilicate Light Extraction Region
US-2022123266-A1 · Apr 21, 2022 · US
Borosilicate light extraction region
US-11251406-B2 · Feb 15, 2022 · US
Float glass production device and float glass production method
US-2021061697-A1 · Mar 4, 2021 · US
Class substrate for vehicle glazing, in particular for the windscreen of a vehicle
US-2020354253-A1 · Nov 12, 2020 · US
Borosilicate light extraction region
US-2020287166-A1 · Sep 10, 2020 · US
Float bath exit seal
US-2019233318-A1 · Aug 1, 2019 · US
Glass manufacturing method for reduced particle adhesion
US-2018327297-A1 · Nov 15, 2018 · US
Method of strengthening glass by plasma induced ion exchanges in connection with tin baths, and articles made according to the same
US-10125047-B2 · Nov 13, 2018 · US
Method for producing glass sheet and glass sheet
US-10093571-B2 · Oct 9, 2018 · US
Method of strengthening glass by plasma induced ion exchanges in connection with tin baths, and articles made according to the same
US-2018257981-A1 · Sep 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B18/20?
- CPC C03B18/20 is the Cooperative Patent Classification code for “Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath.”
- How many patents are filed under CPC C03B18/20 (Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C03B18/20 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).