C03B 5/04
In tank furnaces
Official title: in tank furnaces {(C03B5/02 takes precedence)}
C03B5/04 (In tank furnaces) appears on 147 US grants and 125 published applications in this corpus.
Search patents in C03B- Granted patents
- 147
- Published applications
- 125
- Assignees
- 66
- Inventors
- 323
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 4 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 3 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 6 |
| 2011 | 0 | 10 |
| 2012 | 2 | 6 |
| 2013 | 2 | 8 |
| 2014 | 7 | 6 |
| 2015 | 6 | 12 |
| 2016 | 8 | 10 |
| 2017 | 10 | 8 |
| 2018 | 8 | 7 |
| 2019 | 9 | 7 |
| 2020 | 9 | 12 |
| 2021 | 2 | 4 |
| 2022 | 2 | 4 |
| 2023 | 4 | 3 |
| 2024 | 3 | 2 |
| 2025 | 3 | 8 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Glass for radiation and/or particle detectors8 Sep 2026US 12,729,151 B2Schott AG
- Method of producing melt, method of producing glass article, melting apparatus, and equipment for producing glass article5 Aug 2025US 12,378,147 B2AGC Inc.
- Heater, manufacturing apparatus for manufacturing glass article, and manufacturing method for manufacturing glass article18 Feb 2025US 12,227,443 B2AGC Inc.
- Cover plate structure for glass fiber tank furnace forehearth4 Feb 2025US 12,215,049 B2Jushi Group Co., Ltd.
- Feeder tank for a glass melter10 Sep 2024US 12,084,378 B2Owens-Brockway Glass Container Inc.
- Glass melting process with very low to zero-co2 emission30 Apr 2026US 2026/0116803 A1Agc Glass Europe
- Device and method for producing glass article and method for measuring liquid-surface height15 Jan 2026US 2026/0015277 A1Nippon Electric Glass Co., Ltd.
- Furnaces for melting particulate materials1 Jan 2026US 2026/0002735 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Restricting Backflowing Molten Glass in a Refiner11 Dec 2025US 2025/0376403 A1Owens-Brockway Glass Container Inc.
- Glass melting process with very low to zero-co2 emission20 Nov 2025US 2025/0353773 A1Agc Glass Europe
Most cited
By later US patents
- Transparent infrared absorbing glass and method of making291US 4,792,536 APPG Industries, Inc. · 1988
- Reactor and method for disassociating waste190US 5,301,620 AMolten Metal Technology, Inc. · 1994
- Process for preparing batch materials for the manufacture of glass112US 7,448,231 B2Saint-Gobain Glass France · 2008
- Roof-mounted oxygen-fuel burner for a glass melting furnace and process of using the oxygen-fuel burner106US 6,237,369 B1Owens Corning Fiberglas Technology, Inc. · 2001
- Melting and vacuum refining of glass or the like and composition of sheet97US 4,738,938 APPG Industries, Inc. · 1988