C03B 27/0417
Controlling or regulating for flat or bent glass sheets
Official title: {Controlling or regulating for flat or bent glass sheets}
C03B27/0417 (Controlling or regulating for flat or bent glass sheets) appears on 103 US grants and 70 published applications in this corpus.
Search patents in C03B- Granted patents
- 103
- Published applications
- 70
- Assignees
- 47
- Inventors
- 178
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 6 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 2 |
| 2008 | 3 | 6 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 4 |
| 2012 | 5 | 3 |
| 2013 | 1 | 2 |
| 2014 | 3 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 5 |
| 2017 | 3 | 3 |
| 2018 | 3 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 5 |
| 2021 | 1 | 4 |
| 2022 | 1 | 4 |
| 2023 | 5 | 4 |
| 2024 | 1 | 0 |
| 2025 | 2 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-correcting edge quality in a glass tempering system7 Apr 2026US 12,596,358 B2Cardinal IG Company
- Self-correcting vertical flatness in a glass tempering system24 Feb 2026US 12,560,920 B2Cardinal IG Company
- Glass tempering furnace and glass tempering method21 Oct 2025US 12,448,315 B2Songshan Lake Materials Laboratory
- Method for evaluating the sensitivity of a glazing to forming quench marks21 Jan 2025US 12,202,758 B2Saint-Gobain Glass France
- Glass sheet quench arrangement21 May 2024US 11,987,517 B2Glasstech, Inc.
- Self-correcting vertical flatness in a glass tempering system2 Jul 2026US 2026/0186476 A1Cardinal IG Company
- Glass tempering process, in particular for low-emission glasses23 Oct 2025US 2025/0326676 A1Mazzaroppi Engineering S.R.L.
- Hydrogen recycling unit for high pressure gas quenching7 Aug 2025US 2025/0250650 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Glass tempering furnace and glass tempering method3 Apr 2025US 2025/0109055 A1Songshan Lake Materials Laboratory
- Device and method for cooling glass with air jets20 Mar 2025US 2025/0091929 A1Glaston Finland Oy
Most cited
By later US patents
- Apparatus for tempering and bending glass104US 5,938,810 ADonnelly Corporation · 1999
- Glass structure strengthening by etching74US 4,911,743 AHughes Aircraft Company · 1990
- Glass tempering system including oscillating roller furnace60US 3,994,711 A1976
- Apparatus and method for tempering glass sheets58US 8,234,883 B2PPG Industries Ohio, Inc. · 2012
- Apparatus for bending and tempering glass57US 4,282,026 A1981