C03B 7/04
Revolving forehearths
C03B7/04 (Revolving forehearths) appears on 5 US grants and 3 published applications in this corpus.
Search patents in C03B- Granted patents
- 5
- Published applications
- 3
- Assignees
- 4
- Inventors
- 17
- Latest grant
- 19 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for forming glass tubes, a heating chamber and a process for the manufacture of an apparatus for forming glass tubes19 Dec 2023US 11,845,686 B2Schott AG
- Method for bonding refractory ceramic and metal2 Dec 2014US 8,899,470 B2Corning Incorporated
- Process of making fibers with a rotary ring furnace above a circular forehearth27 Jul 1999US 5,928,401 A
- Rotary forehearth29 Jun 1982US 4,337,073 APPG Industries, Inc.
- Glass conditioning27 Jan 1981US 4,247,320 ACorning Glass Works
- Apparatus for forming glass tubes, a heating chamber and a process for the manufacture of an apparatus for forming glass tubes30 Jun 2022US 2022/0204380 A1Schott AG
- Bonded refractory ceramic and metal article13 Nov 2014US 2014/0331718 A1Corning Incorporated
- Method for bonding refractory ceramic and metal4 Jun 2009US 2009/0142608 A1Corning Incorporated
Most cited
By later US patents