C03B 23/0473
For forming constrictions
Official title: {for forming constrictions}
C03B23/0473 (For forming constrictions) appears on 41 US grants and 7 published applications in this corpus.
Search patents in C03B- Granted patents
- 41
- Published applications
- 7
- Assignees
- 26
- Inventors
- 53
- Latest grant
- 16 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automated large outside diameter preform tipping process and resulting glass preforms16 May 2023US 11,649,185 B2Heraeus Quartz North America LLC
- Method for preform or tube drawing based on its viscosity27 Sep 2022US 11,454,580 B2Heraeus Quartz North America LLC
- Method for producing tubes of quartz glass21 Sep 2010US 7,797,965 B2Heraeus Quarzglas GmbH & Co.KG
- Integral lens for high energy particle flow, method for producing such lenses and use thereof in analysis devices and devices for radiation therapy and lithography8 Nov 2005US 6,963,072 B2
- Integral lens for high energy particle flow, method for producing such lenses use thereof in analysis devices and devices for radiation therapy and lithography13 Jan 2004US 6,678,348 B1
- Emitter tips and methods for manufacture14 May 2026US 2026/0132069 A1Thermo Finnigan LLC
- Automated large outside diameter preform tipping process and resulting glass preforms16 Jul 2020US 2020/0223737 A1Heraeus Quartz North America LLC
- Glass atomizer and production method thereof1 Nov 2018US 2018/0311687 A1Beijing shuguangming Electronic lighting Instrument Co., Ltd.
- Apparatus and method for preform or tube drawing based on its viscosity7 Sep 2017US 2017/0254733 A1Heraeus Tenevo GmbH
- Method For Producing Tubes Of Quartz Glass21 Feb 2008US 2008/0041112 A1Heraeus Tenevo GmbH
Most cited
By later US patents
- Fiber optic coupler and method57US 4,773,924 ACorning Glass Works · 1988
- Method of making low loss fiber optic coupler40US 4,799,949 ACorning Glass Works · 1989
- Optic coupler31US 4,948,217 ACorning Incorporated · 1990
- Method of providing a 1xN fiber optic coupler26US 5,017,206 ACorning Incorporated · 1991
- Micropipettes and fabrication thereof19US 4,885,945 AActivational Systems, Inc. · 1989