C03B 3/02
Combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
Official title: combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
C03B3/02 (Combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet) appears on 289 US grants and 151 published applications in this corpus.
Search patents in C03B- Granted patents
- 289
- Published applications
- 151
- Assignees
- 103
- Inventors
- 446
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 9 | 0 |
| 1981 | 12 | 0 |
| 1982 | 21 | 0 |
| 1983 | 10 | 0 |
| 1984 | 4 | 0 |
| 1985 | 12 | 0 |
| 1986 | 12 | 0 |
| 1987 | 16 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 6 |
| 2009 | 1 | 5 |
| 2010 | 0 | 6 |
| 2011 | 3 | 4 |
| 2012 | 2 | 12 |
| 2013 | 3 | 11 |
| 2014 | 4 | 6 |
| 2015 | 8 | 9 |
| 2016 | 3 | 9 |
| 2017 | 6 | 7 |
| 2018 | 10 | 9 |
| 2019 | 3 | 8 |
| 2020 | 7 | 5 |
| 2021 | 2 | 6 |
| 2022 | 5 | 6 |
| 2023 | 6 | 7 |
| 2024 | 5 | 8 |
| 2025 | 5 | 6 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Melting furnaces and charging of melting furnaces16 Jun 2026US 12,655,052 B2Owens-Brockway Glass Container Inc.
- Powder-material flying melting furnace having dual regenerative chambers19 May 2026US 12,631,397 B2
- Rotary batch preheater14 Apr 2026US 12,600,657 B2
- Low iron, high redox ratio, and high iron, high redox ratio, soda-lime-silica glasses and methods of making same14 Oct 2025US 12,441,651 B2Vitro Flat Glass LLC
- Batch and cullet proportioning apparatus9 Sep 2025US 12,410,087 B2
- Melting furnaces and charging of melting furnaces24 Sep 2026US 2026/0285733 A1Owens-Brockway Glass Container Inc.
- Glass melting process with low co2 emission20 Aug 2026US 2026/0242269 A1Agc Glass Europe
- Method for producing glass, mixture, dried product, and glass9 Jul 2026US 2026/0193125 A1AGC Inc.
- Rotary batch and cullet preheater system control scheme28 May 2026US 2026/0145979 A1
- Waste heat recovery system and method of recovering waste heat from a furnace21 May 2026US 2026/0138906 A1
Most cited
By later US patents
- Transparent infrared absorbing glass and method of making291US 4,792,536 APPG Industries, Inc. · 1988
- Melting of glass with staged submerged combustion107US 4,539,034 APPG Industries, Inc. · 1985
- Method of melting raw materials for glass or the like using solid fuels or fuel-batch mixtures98US 4,632,687 APPG Industries, Inc. · 1986
- Melting and vacuum refining of glass or the like and composition of sheet97US 4,738,938 APPG Industries, Inc. · 1988
- Processes and means for waste resources utilization94US 5,134,944 A1992