C03B 18/20
Composition of the atmosphere above the float bath
Official title: Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath
C03B18/20 (Composition of the atmosphere above the float bath) appears on 67 US grants and 59 published applications in this corpus.
Search patents in C03B- Granted patents
- 67
- Published applications
- 59
- Assignees
- 32
- Inventors
- 151
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 9 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 7 |
| 2008 | 1 | 4 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 3 | 4 |
| 2012 | 3 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 2 | 5 |
| 2017 | 2 | 0 |
| 2018 | 3 | 3 |
| 2019 | 2 | 2 |
| 2020 | 0 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 4 |
| 2023 | 3 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for controlling a tin bath atmosphere for the reduction of surface defects10 Mar 2026US 12,570,563 B2Air Products and Chemicals, Inc.
- Method for tin bath monitoring and control14 Oct 2025US 12,441,646 B2Air Products and Chemicals, Inc.
- Glass substrate for vehicle glazing, in particular for the windscreen of a vehicle11 Mar 2025US 12,246,980 B2Schott AG
- Melting furnace purge system and method3 Dec 2024US 12,158,306 B2Fives North American Combustion, Inc.
- Systems and methods of electrochemical hydrogen generation to provide a reducing ambient for industrial fabrication3 Oct 2023US 11,773,001 B2Ohmium International, Inc.
- Method and System for Controlling a Tin Bath Atmosphere for the Reduction of Surface Defects21 May 2026US 2026/0138909 A1Air Products and Chemicals, Inc.
- Melting furnace purge system and method13 Feb 2025US 2025/0052501 A1Fives North American Combustion, Inc.
- Method and System for Controlling a Tin Bath Atmosphere for the Reduction of Surface Defects4 Apr 2024US 2024/0109802 A1Air Products and Chemicals, Inc.
- Automated Float Glass System18 May 2023US 2023/0150857 A1Vitro Flat Glass LLC
- Prestressing a flat glass by generating a gradient in the surface composition29 Dec 2022US 2022/0411316 A1Schott AG
Most cited
By later US patents
- Method of bidirectionally attenuating glass in a float process with edge cooling21US 4,354,866 APPG Industries, Inc. · 1982
- Apparatus and method using heat pipes for manipulating temperature gradients in a glass forming chamber16US 4,092,140 APPG Industries, Inc. · 1978
- Method of making a float glass convertible into a glass ceramic and float glass made thereby13US 8,728,961 B2Schott AG · 2014
- Float processing of high-temperature complex silicate glasses and float baths used for same10US 6,065,309 AWisconsin Alumni Research Foundation · 2000
- Method and apparatus for introducing a protective atmosphere into a glass forming chamber9US 3,976,460 APPG Industries, Inc. · 1976