C03B 7/00
Distributors for the molten glass
Official title: Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob {, e.g. controlling the gob shape, weight or delivery tact}
C03B7/00 (Distributors for the molten glass) appears on 617 US grants and 376 published applications in this corpus.
Search patents in C03B- Granted patents
- 617
- Published applications
- 376
- Assignees
- 201
- Inventors
- 1,003
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 8 | 0 |
| 1980 | 11 | 0 |
| 1981 | 12 | 0 |
| 1982 | 15 | 0 |
| 1983 | 20 | 0 |
| 1984 | 17 | 0 |
| 1985 | 21 | 0 |
| 1986 | 12 | 0 |
| 1987 | 18 | 0 |
| 1988 | 24 | 0 |
| 1989 | 14 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 14 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 16 | 0 |
| 1998 | 24 | 0 |
| 1999 | 26 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 2 |
| 2002 | 10 | 12 |
| 2003 | 8 | 12 |
| 2004 | 10 | 12 |
| 2005 | 8 | 18 |
| 2006 | 7 | 9 |
| 2007 | 5 | 11 |
| 2008 | 7 | 16 |
| 2009 | 7 | 15 |
| 2010 | 4 | 11 |
| 2011 | 11 | 14 |
| 2012 | 14 | 17 |
| 2013 | 9 | 16 |
| 2014 | 10 | 13 |
| 2015 | 18 | 21 |
| 2016 | 12 | 13 |
| 2017 | 14 | 15 |
| 2018 | 15 | 16 |
| 2019 | 11 | 10 |
| 2020 | 10 | 11 |
| 2021 | 4 | 25 |
| 2022 | 13 | 23 |
| 2023 | 9 | 18 |
| 2024 | 18 | 17 |
| 2025 | 17 | 15 |
| 2026 | 17 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C03B 7/02Forehearths, i.e. feeder channels200
- C03B 7/14Transferring molten glass or gobs to glass blowing or pressing machines158
- C03B 7/08Feeder spouts154
- C03B 7/10Cutting-off or severing the glass flow with the aid of knives or133
- C03B 7/005Controlling, regulating or measuring37
- C03B 7/01Means for taking-off charges of molten glass9
- C03B 7/22Gathering-devices in the form of rods or pipes6
- C03B 7/18Suction feeders5
All 9 subgroupsShow fewer
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
- Orifice ring incorporating a MAX phase material4 Aug 2026US 12,698,229 B2Owens-Brockway Glass Container Inc.
- Molten glass transporter4 Aug 2026US 12,698,230 B2Owens-Brockway Glass Container Inc.
- Support structures for accommodating thermal expansion and glass manufacturing apparatuses comprising the same26 May 2026US 12,637,379 B2Corning Incorporated
- Molten glass transporter, transport cup, endcap, and methods3 Sep 2026US 2026/0257957 A1Owens-Brockway Glass Container Inc.
- Molten glass transport system30 Jul 2026US 2026/0217587 A1Owens-Brockway Glass Container Inc.
- Apparatus for glass manufacturing16 Jul 2026US 2026/0200784 A1Corning Incorporated
- Multiple gob feeder, gob feeding method and related system, and feeder orifice25 Jun 2026US 2026/0176183 A1Owens-Brockway Glass Container Inc.
- Method for reducing the amount of gas bubbles on the surface of a glass tube and apparatus therefore25 Jun 2026US 2026/0179871 A1Schott AG
Most cited
By later US patents
- Method for making glass articles with defect-free surfaces162US 4,102,664 ACorning Glass Works · 1978
- 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