C03B 37/01245
By drawing and collapsing
Official title: {by drawing and collapsing}
C03B37/01245 (By drawing and collapsing) appears on 45 US grants and 60 published applications in this corpus.
Search patents in C03B- Granted patents
- 45
- Published applications
- 60
- Assignees
- 27
- Inventors
- 142
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 6 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 4 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 4 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 4 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 3 | 6 |
| 2023 | 3 | 4 |
| 2024 | 2 | 6 |
| 2025 | 5 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process of making multi-core fiber preform by integrating core rods and cladding cylinder15 Sep 2026US 12,735,344 B2Heraeus Quartz North America LLC
- Multicore optical fiber18 Aug 2026US 12,710,583 B2Sumitomo Electric Industries, Ltd.
- Method for processing glass filament10 Feb 2026US 12,545,617 B2Microsoft Technology Licensing, LLC
- Method for producing a preform for an anti-resonant hollow-core fiber having nested capillaries; preform and intermediate product3 Feb 2026US 12,540,095 B2Heraeus Quarzglas GmbH & Co.KG
- Method of manufacturing a preform of an antiresonant hollow core fibre30 Dec 2025US 12,509,386 B2Heraeus Quarzglas GmbH & Co.KG
- Method of Preparation of a Multicore Fiber Preform18 Jun 2026US 2026/0167550 A1Heraeus Quartz North America LLC
- Method for processing glass filament14 May 2026US 2026/0132071 A1Microsoft Technology Licensing, LLC
- Anti-resonance preform with two contact points15 Jan 2026US 2026/0016630 A1Heraeus Quarzglas GmbH & Co.KG
- Reduction of multi-core fiber preform geometric distortion6 Nov 2025US 2025/0340477 A1Heraeus Quartz North America LLC
- Method for manufacturing optical fiber24 Jul 2025US 2025/0236551 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Method of making optical fiber having depressed index core region38US 5,917,109 ACorning Incorporated · 1999
- Optical fiber coupler with low loss and high coupling coefficient and method of fabrication thereof27US 7,308,173 B2Chiral Photonics, Inc. · 2007
- Rit method of making optical fiber having depressed index core region20US 6,422,042 B1Corning Incorporated · 2002
- Chalcogenide glass fiber17US 6,074,968 AHoya Corporation · 2000
- Process for producing preform for glass fiber and process for producing glass fiber14US 5,958,103 AHoya Corporation · 1999