C03B 7/02
Forehearths, i.e. feeder channels
C03B7/02 (Forehearths, i.e. feeder channels) appears on 200 US grants and 170 published applications in this corpus.
Search patents in C03B- Granted patents
- 200
- Published applications
- 170
- Assignees
- 92
- Inventors
- 413
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 6 |
| 2009 | 2 | 6 |
| 2010 | 0 | 8 |
| 2011 | 4 | 6 |
| 2012 | 6 | 9 |
| 2013 | 5 | 11 |
| 2014 | 6 | 7 |
| 2015 | 13 | 7 |
| 2016 | 4 | 4 |
| 2017 | 8 | 12 |
| 2018 | 7 | 11 |
| 2019 | 6 | 5 |
| 2020 | 7 | 7 |
| 2021 | 3 | 14 |
| 2022 | 4 | 13 |
| 2023 | 6 | 7 |
| 2024 | 11 | 9 |
| 2025 | 5 | 7 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Slot draw process15 Sep 2026US 12,735,342 B2Corning Incorporated
- Glass manufacturing apparatus comprising a delivery conduit system with a low impedance drain assembly18 Aug 2026US 12,709,564 B2Corning Incorporated
- Support structures for accommodating thermal expansion and glass manufacturing apparatuses comprising the same26 May 2026US 12,637,379 B2Corning Incorporated
- Glass manufacturing apparatus28 Apr 2026US 12,612,325 B2Corning Incorporated
- Assembly for supporting an electrical flange in a glass manufacturing apparatus21 Apr 2026US 12,606,477 B2Corning Incorporated
- Apparatus for glass manufacturing16 Jul 2026US 2026/0200784 A1Corning Incorporated
- Method for reducing the amount of gas bubbles on the surface of a glass tube and apparatus therefore25 Jun 2026US 2026/0179871 A1Schott AG
- Support structures for accommodating thermal expansion and glass manufacturing apparatuses comprising the same18 Jun 2026US 2026/0167545 A1Corning Incorporated
- Devices and methods for conveying molten glass11 Jun 2026US 2026/0159433 A1Caihong Display Devices Co., Ltd.
- Heat dissipation apparatuses for molten glass in platinum channel and methods thereof19 Mar 2026US 2026/0078040 A1Caihong Display Devices Co., Ltd.
Most cited
By later US patents
- Oxygen-gas fuel burner and glass forehearth containing the oxygen-gas fuel burner130US 5,814,121 AThe BOC Group, Inc. · 1998
- Glass melting apparatus and method86US 6,314,760 B1Guardian Fiberglass, Inc. · 2001
- Forehearth structure82US 5,169,424 A1992
- Oxygen-fired front end for glass forming operation80US 7,509,819 B2OCV Intellectual Capital, LLC · 2009
- Oxy/fuel burner with low volume fuel stream projection78US 5,405,082 ACorning Incorporated · 1995