C03B 21/02
Severing glass sheets, tubes or rods while still plastic: by cutting
Official title: by cutting (C03B9/46 takes precedence)
C03B21/02 (Severing glass sheets, tubes or rods while still plastic: by cutting) appears on 41 US grants and 40 published applications in this corpus.
Search patents in C03B- Granted patents
- 41
- Published applications
- 40
- Assignees
- 25
- Inventors
- 128
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 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 | 1 | 1 |
| 2004 | 1 | 5 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 4 | 3 |
| 2015 | 1 | 0 |
| 2016 | 0 | 4 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lens forming method23 Jun 2026US 12,662,408 B2Aag Optics (Changzhou) Co., Ltd.
- Tool for locally cooling a glass sheet8 Jul 2025US 12,351,500 B2Saint-Gobain Glass France
- Methods for forming thin glass sheets24 Jun 2025US 12,338,154 B2Corning Incorporated
- Glass manufacturing27 Feb 2024US 11,912,608 B2Owens-Brockway Glass Container Inc.
- 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
- Systems and methods for converting glass tubes with microwaves of mm-wavelengths9 Jul 2026US 2026/0193124 A1Corning Incorporated
- Plate glass manufacturing equipment and manufacturing method10 Apr 2025US 2025/0115510 A1Qingdao Fusion Photoelectric Technology Co., Ltd.
- Glass composition, glass article made from the glass composition, a method of manufacturing a glass article, and display device2 Jan 2025US 2025/0002394 A1Nippon Electric Glass Co., Ltd.
- Lens forming method25 Jul 2024US 2024/0246849 A1AAC Optics (Changzhou) Co., Ltd.
- Glass Manufacturing30 May 2024US 2024/0174542 A1Owens-Brockway Glass Container Inc.
Most cited
By later US patents
- Method for making small gas-filled beads75US 3,998,618 ASanders Associates, Inc. · 1976
- Method for cutting hot glass55US 4,891,054 APPG Industries, Inc. · 1990
- Preventing gas from occupying a spray nozzle used in a process of scoring a hot glass sheet51US 8,132,427 B2Corning Incorporated · 2012
- Preventing gas from occupying a spray nozzle used in a process of scoring a hot glass sheet51US 8,549,881 B2Corning Incorporated · 2013
- Preventing gas from occupying a spray nozzle used in a process of scoring a hot glass sheet51US 8,826,696 B2Corning Incorporated · 2014