C03B 23/20
Uniting glass pieces by fusing without substantial reshaping
C03B23/20 (Uniting glass pieces by fusing without substantial reshaping) appears on 490 US grants and 482 published applications in this corpus.
Search patents in C03B- Granted patents
- 490
- Published applications
- 482
- Assignees
- 268
- Inventors
- 1,117
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 16 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 11 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 4 |
| 2002 | 8 | 13 |
| 2003 | 10 | 14 |
| 2004 | 3 | 14 |
| 2005 | 7 | 10 |
| 2006 | 4 | 8 |
| 2007 | 3 | 9 |
| 2008 | 4 | 9 |
| 2009 | 4 | 9 |
| 2010 | 3 | 14 |
| 2011 | 6 | 11 |
| 2012 | 7 | 21 |
| 2013 | 11 | 25 |
| 2014 | 7 | 29 |
| 2015 | 20 | 23 |
| 2016 | 22 | 26 |
| 2017 | 24 | 27 |
| 2018 | 21 | 28 |
| 2019 | 25 | 34 |
| 2020 | 23 | 19 |
| 2021 | 16 | 24 |
| 2022 | 15 | 14 |
| 2023 | 16 | 20 |
| 2024 | 11 | 40 |
| 2025 | 36 | 18 |
| 2026 | 9 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of making vacuum insulated panel25 Aug 2026US 12,715,199 B2LuxWall, Inc.
- Low-temperature-fired lead-free glass frit, paste, and vacuum glass assembly using same19 May 2026US 12,630,467 B2LG Electronics Inc.
- Method for manufacturing microchannel plate28 Apr 2026US 12,612,327 B2
- Anti-resonance element preform for producing an anti-resonant hollow-core fiber17 Mar 2026US 12,577,143 B2Heraeus Quarzglas GmbH & Co.KG
- Low-temperature fired, lead-free glass frit, paste, and vacuum glass assembly using same24 Feb 2026US 12,559,415 B2LG Electronics Inc.
- Laser welded glass article and method of manufacturing the same using a welding emission with beam waist separated from interface between glass components to be laser welded17 Sep 2026US 2026/0274735 A1Corning Incorporated
- Fiber preform with laser weld volume including ultraviolet absorbing constituent and method of manufacturing the same17 Sep 2026US 2026/0274736 A1Corning Incorporated
- Anti-resonance element preform for producing an anti-resonant hollow-core fiber6 Aug 2026US 2026/0225938 A1Heraeus Quarzglas GmbH & Co.KG
- Laser glass welding of optical components using fiducials23 Jul 2026US 2026/0209102 A1Intuitive Surgical Operations, Inc.
- Glass article and electronic device16 Jul 2026US 2026/0200788 A1AGC Inc.
Most cited
By later US patents
- Method of refurbishing a quartz glass component469US 8,991,214 B2Techno Quartz Inc. · 2015
- Laser sealed vacuum insulation window152US 4,683,154 AThe United States of America as represented by the United States Department of Energy · 1987
- Welding/sealing glass-enclosed space in a vacuum139US 5,489,321 AMidwest Research Institute · 1996
- Glass plate fusion for macro-gradient refractive index materials82US 4,929,065 AISOTEC Partners, Ltd. · 1990
- Insulating glazing81US 5,643,644 ASaint-Gobain Vitrage · 1997