C03B 21/06
Severing glass sheets, tubes or rods while still plastic: by flashing-off, burning-off
Official title: by flashing-off, burning-off or fusing (C03B9/42 takes precedence)
C03B21/06 (Severing glass sheets, tubes or rods while still plastic: by flashing-off, burning-off) appears on 18 US grants and 19 published applications in this corpus.
Search patents in C03B- Granted patents
- 18
- Published applications
- 19
- Assignees
- 13
- Inventors
- 47
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 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 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 4 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bottom forming process21 Apr 2026US 12,606,478 B2SCHOTT Pharma AG & Co. KGaA
- Method for manufacturing glass plate including processing for chamfering edge surface7 Apr 2026US 12,595,202 B2Hoya Corporation
- Glass container comprising a glass bottom with improved properties3 Sep 2024US 12,076,723 B2Schott AG
- Bottom forming process14 May 2024US 11,980,886 B2SCHOTT Pharma AG & Co. KGaA
- Method and apparatus for producing a thin glass ribbon, and thin glass ribbon produced according to such method13 Feb 2024US 11,897,806 B2Schott AG
- Method for manufacturing glass plate including processing for chamfering edge surface16 Jul 2026US 2026/0200785 A1Hoya Corporation
- Method for manufacturing glass plate, method for manufacturing glass substrate for magnetic disk, method for manufacturing magnetic disk, and annular glass plate18 Jan 2024US 2024/0018031 A1Hoya Corporation
- Bottom forming process11 Jan 2024US 2024/0010543 A1SCHOTT Pharma AG & Co. KGaA
- Method for producing glass article and device for producing glass article2 Feb 2023US 2023/0030387 A1Nippon Electric Glass Co., Ltd.
- Glass container comprising a glass bottom with improved properties24 Jun 2021US 2021/0187496 A1Schott AG
Most cited
By later US patents
- Laser beam glass cutting81US 4,682,003 ASasaki Glass Co., Ltd. · 1987
- Micro/ultrafiltration membranes with a fixed pore size formed through irradiation with pulsed lasers and process for manufacturing the same38US 4,923,608 AAkzo N. V. · 1990
- Method of laser beam cutting of a ribbon of hot glass20US 3,930,825 AFord Motor Company · 1976
- Method of making at least one hole in a transparent body and devices made by this method17US 6,990,285 B2Corning Incorporated · 2006
- Method for the heat-softened severance of glass tubes or plates12US 5,902,368 ASchott Glaswerke · 1999