C03B 37/01248
By collapsing without drawing
Official title: {by collapsing without drawing}
C03B37/01248 (By collapsing without drawing) appears on 90 US grants and 93 published applications in this corpus.
Search patents in C03B- Granted patents
- 90
- Published applications
- 93
- Assignees
- 53
- Inventors
- 248
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 6 | 8 |
| 2003 | 3 | 5 |
| 2004 | 3 | 4 |
| 2005 | 2 | 1 |
| 2006 | 4 | 4 |
| 2007 | 0 | 3 |
| 2008 | 1 | 4 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 2 | 4 |
| 2016 | 5 | 2 |
| 2017 | 3 | 9 |
| 2018 | 4 | 3 |
| 2019 | 1 | 3 |
| 2020 | 4 | 5 |
| 2021 | 0 | 1 |
| 2022 | 8 | 7 |
| 2023 | 4 | 8 |
| 2024 | 1 | 4 |
| 2025 | 8 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Multicore fiber28 Oct 2025US 12,455,412 B2Furukawa Electric Co., Ltd.
- Method for recovering and reusing quartz powder waste in out-of-tube deposition process2 Sep 2025US 12,404,205 B2Jiangsu Etern Optical Fiber Technology Co., Ltd.
- Method for producing optical fiber base material, and optical fiber base material26 Aug 2025US 12,398,062 B2Sumitomo Electric Industries, Ltd.
- Method of Preparation of a Multicore Fiber Preform18 Jun 2026US 2026/0167550 A1Heraeus Quartz North America LLC
- Method for producing optical fiber preform, and optical fiber preform26 Mar 2026US 2026/0084997 A1Sumitomo Electric Industries, Ltd.
- Method of manufacturing optical fiber preform8 Jan 2026US 2026/0008713 A1Sumitomo Electric Industries, Ltd.
- Reduction of multi-core fiber preform geometric distortion6 Nov 2025US 2025/0340477 A1Heraeus Quartz North America LLC
- Method of forming a multicore preform and fiber5 Jun 2025US 2025/0178946 A1Corning Incorporated
Most cited
By later US patents
- Method of and apparatus for overcladding a glass rod50US 4,820,322 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Dispersion managed optical waveguide47US 5,894,537 ACorning Incorporated · 1999
- Method of making optical fiber having depressed index core region38US 5,917,109 ACorning Incorporated · 1999
- Method of making a fiber having low loss at 1385 nm by cladding a VAD preform with a D/d<7.537US 6,131,415 ALucent Technologies Inc. · 2000
- Method for making optical fiber preforms by collapsing a hollow glass tube upon a glass rod33US 5,578,106 ALucent Technologies Inc. · 1996