C03B 5/031
Cold top tank furnaces
Official title: {Cold top tank furnaces}
C03B5/031 (Cold top tank furnaces) appears on 29 US grants and 17 published applications in this corpus.
Search patents in C03B- Granted patents
- 29
- Published applications
- 17
- Assignees
- 22
- Inventors
- 63
- Latest grant
- 8 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Refining glass with reduced pressure8 Dec 2020US 10,858,277 B2Owens-Brockway Glass Container Inc.
- Fluid permeable and vacuumed insulating microspheres and methods of producing the same5 Feb 2019US 10,196,296 B2
- Glass microspheres made from a redox active glass26 Sep 2017US 9,771,295 B2
- Glass microspheres comprising sulfide, and methods of producing glass microspheres28 Apr 2015US 9,016,090 B2
- Apparatus for making glass and methods15 Apr 2014US 8,695,378 B2Corning Incorporated
- Hybrid glass manufacturing furnace with electric melting, for supplying a float unit16 Jan 2025US 2025/0019287 A1
- Method and apparatus for melting and refining glass, glass ceramic, and glass ceramifiable to glass ceramic19 Jan 2023US 2023/0021281 A1Schott AG
- Refining Glass with Reduced Pressure19 Sep 2019US 2019/0284078 A1Owens-Brockway Glass Container Inc.
- Large melting kiln suitable for borosilicate glass26 Jul 2018US 2018/0208492 A1China Triumph International Engineering Co., Ltd.
- Glass melting plant and method for the operation thereof29 Jun 2017US 2017/0183249 A1
Most cited
By later US patents
- Electric furnace for melting glass87US 5,613,994 ASaint-Gobain Vitrage International · 1997
- Glass melting apparatus and method86US 6,314,760 B1Guardian Fiberglass, Inc. · 2001
- Method for efficiently using flue gas energy in a glass furnace78US 4,882,736 ASorg GmbH & Co. KG · 1989
- Glass melting apparatus and method including exhausting the furnace atmosphere by removal of a heating element64US 6,418,755 B2Guardian Fiberglass, Inc. · 2002
- Side-discharge melter for use in the manufacture of fiberglass, and corresponding method38US 6,178,777 B2Guardian Fiberglass, Inc. · 2001