C03B 15/14
Drawing tubes, cylinders, or rods from the melt
C03B15/14 (Drawing tubes, cylinders, or rods from the melt) appears on 12 US grants and 8 published applications in this corpus.
Search patents in C03B- Granted patents
- 12
- Published applications
- 8
- Assignees
- 10
- Inventors
- 51
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fabrication of glass cells for hermetic gas enclosures22 Jul 2025US 12,366,831 B2mb-microtec ag
- Illumination system having light guides with diffuser elements that emit radially7 Jan 2025US 12,189,184 B2Schott AG
- Method for producing a component, particularly for use in a crucible pulling method for quartz glass10 Apr 2018US 9,938,635 B2Heraeus Quarzglas GmbH & Co.KG
- Method for fabricating glass preforms for molding optical surfaces in glass elements17 Jul 2001US 6,260,387 B1Eastman Kodak Company
- Method of forming glass articles31 Mar 1992US 5,100,449 ACorning Incorporated
- Hollow-core optical fibers and methods for producing the same19 Feb 2026US 2026/0049019 A1Corning Incorporated
- Hollow-core optical fibers and methods for producing the same19 Feb 2026US 2026/0049020 A1Corning Incorporated
- Fabrication of glass cells for hermetic gas enclosures23 Nov 2023US 2023/0375983 A1mb-microtec ag
- Method for manufacturing an optical fibre and optical fiber thereof2 Mar 2023US 2023/0064814 A1Sterlite Technologies Limited
- Illumination system having light guides with diffuser elements that emit radially14 Oct 2021US 2021/0318494 A1Schott AG
Most cited
By later US patents
- Method for making continuous foam glass product32US 4,124,365 A1978
- Method and apparatus for making continuous foam glass product22US 4,038,063 AE. C. P., Inc. · 1977
- Method of forming glass articles9US 5,100,449 ACorning Incorporated · 1992
- Method of making glass tubes7US 3,937,623 A1976
- Method of manufacturing glass fiber7US 4,885,020 AMatsushita Electric Industrial Co., Ltd. · 1989