C03B 3/005
Charging the melting furnaces: using screw feeders
Official title: {using screw feeders}
C03B3/005 (Charging the melting furnaces: using screw feeders) appears on 32 US grants and 44 published applications in this corpus.
Search patents in C03B- Granted patents
- 32
- Published applications
- 44
- Assignees
- 14
- Inventors
- 75
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 3 | 5 |
| 2019 | 0 | 3 |
| 2020 | 1 | 4 |
| 2021 | 0 | 6 |
| 2022 | 4 | 5 |
| 2023 | 4 | 4 |
| 2024 | 3 | 2 |
| 2025 | 4 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation of a raw material composition6 Oct 2026US 12,753,103 B2Saint-Gobain Isover
- Melting furnaces and charging of melting furnaces16 Jun 2026US 12,655,052 B2Owens-Brockway Glass Container Inc.
- Melting vitrifiable material with a biomass-type fuel16 Dec 2025US 12,497,322 B2Saint-Gobain Isover
- Batch and cullet proportioning apparatus9 Sep 2025US 12,410,087 B2
- Submerged feedstock charging of melting vessels29 Jul 2025US 12,371,361 B2Owens-Brockway Glass Container Inc.
- Melting furnaces and charging of melting furnaces24 Sep 2026US 2026/0285733 A1Owens-Brockway Glass Container Inc.
- Submerged feedstock charging of melting vessels6 Nov 2025US 2025/0340474 A1Owens-Brockway Glass Container Inc.
- Feeder alcove and batch feeding apparatus for a melter12 Jun 2025US 2025/0187965 A1Owens-Brockway Glass Container Inc.
- Furnace control21 Mar 2024US 2024/0092673 A1Saint-Gobain Isover
- Melting furnaces and charging of melting furnaces11 Jan 2024US 2024/0010538 A1Owens-Brockway Glass Container Inc.
Most cited
By later US patents
- Method and device for melting and refining materials capable of being vitrified112US 6,460,376 B1Saint-Gobain Glass France · 2002
- Method for rapidly melting and refining glass95US 3,951,635 AOwens-Illinois, Inc. · 1976
- Process for melting and refining vitrifiable materials88US 6,739,152 B2Saint-Gobain Glass France · 2004
- Method and device for melting and refining materials capable of being vitrified69US 7,624,595 B2Saint-Gobain Glass France · 2009
- Method and apparatus for melting glass-making materials18US 3,988,138 AOwens-Illinois, Inc. · 1976