C03B 5/237
Regenerators or recuperators specially adapted for glass-melting furnaces
C03B5/237 (Regenerators or recuperators specially adapted for glass-melting furnaces) appears on 176 US grants and 120 published applications in this corpus.
Search patents in C03B- Granted patents
- 176
- Published applications
- 120
- Assignees
- 95
- Inventors
- 310
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 14 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 4 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 1 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 2 |
| 2012 | 2 | 4 |
| 2013 | 2 | 4 |
| 2014 | 4 | 6 |
| 2015 | 0 | 8 |
| 2016 | 5 | 9 |
| 2017 | 4 | 7 |
| 2018 | 7 | 10 |
| 2019 | 9 | 9 |
| 2020 | 12 | 9 |
| 2021 | 4 | 2 |
| 2022 | 2 | 6 |
| 2023 | 5 | 5 |
| 2024 | 2 | 5 |
| 2025 | 2 | 8 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for thermoprocessing a charge15 Sep 2026US 12,735,340 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and system for heat recovery in an oxy-fuel fired glass furnace15 Sep 2026US 12,735,341 B2Air Products and Chemicals, Inc.
- Furnace operation method11 Aug 2026US 12,703,652 B2American Air Liquide, Inc.
- Fuel blending in thermochemical heat exchange methods21 Jul 2026US 12,687,341 B2Praxair Technology, Inc.
- Interlocking refractory bricks and refractory layer structures formed therewith23 Jun 2026US 12,662,407 B2HarbisonWalker International Holdings, Inc.
- Method and System for Heat Recovery in an Oxy-Fuel Fired Glass Furnace24 Sep 2026US 2026/0285735 A1Air Products and Chemicals, Inc.
- Glass manufacturing apparatus and glass manufacturing method3 Sep 2026US 2026/0257956 A1AGC Inc.
- Glass base material manufacturing device and method of manufacturing glass base material20 Aug 2026US 2026/0242273 A1Sumitomo Electric Industries, Ltd.
- Method for repairing a glass melting furnace25 Jun 2026US 2026/0176207 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
- Method for efficiently using flue gas energy in a glass furnace78US 4,882,736 ASorg GmbH & Co. KG · 1989
- Heat transfer enhancements for increasing fuel efficiency in high temperature furnaces73US 5,993,203 AGas Research Institute · 1999
- Refractory brick for a glass fusion furnace71US 5,154,224 AToshiba Ceramics Co., Ltd. · 1992
- Checkerwork for upright regeneration chambers of a glass melting furnace39US 4,651,810 AVeitscher Magnesitwerke-Actien-Gesellschaft · 1987
- Submerged combustion glass manufacturing systems and methods39US 8,707,740 B2Johns Manville · 2014