C03B 37/01237
To modify the diameter by heat-polishing
Official title: {to modify the diameter by heat-polishing, e.g. fire-polishing}
C03B37/01237 (To modify the diameter by heat-polishing) appears on 25 US grants and 16 published applications in this corpus.
Search patents in C03B- Granted patents
- 25
- Published applications
- 16
- Assignees
- 20
- Inventors
- 73
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for manufacturing a glass filter16 Apr 2024US 11,957,162 B2R.Y. L. Inc.
- Method for modification of surface of optical fiber preform22 Aug 2023US 11,733,459 B2
- Rare earth-doped double-clad optical fiber and preparation method thereof17 Nov 2020US 10,838,143 B2Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Method for processing glass filament14 May 2026US 2026/0132071 A1Microsoft Technology Licensing, LLC
- Method for producing multicore optical fiber, and multicore optical fiber13 Feb 2025US 2025/0052944 A1Sumitomo Electric Industries, Ltd.
- Method for processing glass filament12 Jan 2023US 2023/0011708 A1Lumenisity Limited
- Method for manufacturing a preform for a multi-core opitcal fiber and method for manufacturing multi-core optical fibers22 Dec 2022US 2022/0402803 A1Draka Comteq France
- Method for manufacturing a glass filter18 Nov 2021US 2021/0352959 A1R.Y. L. Inc.
Most cited
By later US patents
- Method for manufacturing an article comprising a refractory dielectric body45US 5,000,771 AAT&T Bell Laboratories · 1991
- 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 of employing plasma for finishing start rods14US 4,863,501 APolaroid Corporation, Patent Department · 1989
- Method for heating glass body8US 5,211,730 ASumitomo Electric Industries, Ltd. · 1993
- Method for flame abrasion of glass preform8US 5,685,889 ASumitomo Electric Industries, Ltd. · 1997