C03B 23/18
Re-forming and sealing ampoules
C03B23/18 (Re-forming and sealing ampoules) appears on 21 US grants and 19 published applications in this corpus.
Search patents in C03B- Granted patents
- 21
- Published applications
- 19
- Assignees
- 16
- Inventors
- 52
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 4 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing glass ampules using electricity generated plasma arc28 Jul 2026US 12,692,183 B2
- Fabricating method for quartz vial30 Sep 2025US 12,428,196 B2Nexus Company Inc.
- Fabrication of glass cells for hermetic gas enclosures22 Jul 2025US 12,366,831 B2mb-microtec ag
- Method for further processing of a glass tube semi-finished product including thermal forming7 May 2024US 11,975,999 B2Schott AG
- Hollow body having a wall with a layer of glass and at least one elevated region8 Nov 2022US 11,491,757 B2Schott AG
- Method and apparatus for the production of glass tubes with closed ends27 Mar 2025US 2025/0100920 A1Schott AG
- Fabrication of glass cells for hermetic gas enclosures23 Nov 2023US 2023/0375983 A1mb-microtec ag
- Sealing glass ampules using electricity generated plasma arc3 Mar 2022US 2022/0064048 A1
- Glass tube production method16 Sep 2021US 2021/0284566 A1Nippon Electric Glass Co., Ltd.
- Fabricating method for quartz vial3 Jun 2021US 2021/0163174 A1Nexus Company Inc.
Most cited
By later US patents
- Method of forming capsules containing a precise amount of material39US 4,596,681 AGTE Products Corporation · 1986
- Method for preventing contamination of an inner surface of a hollow glass body by alkali compounds and glass container, especially for medicinal purposes26US 7,980,096 B2Schott AG · 2011
- Method and apparatus for subdividing a gas filled glass tube with a laser19US 4,146,380 AAmerican Atomics Corporation · 1979
- Method and apparatus for subdividing a gas filled glass tube15US 4,045,201 AAmerican Atomics Corporation · 1977
- Method for making vacuum insulated container12US 4,251,252 AAladdin Industries, Incorporated · 1981