C03B 37/01861
Means for changing or stabilising the diameter or form of tubes or
Official title: {Means for changing or stabilising the diameter or form of tubes or rods}
C03B37/01861 (Means for changing or stabilising the diameter or form of tubes or) appears on 167 US grants and 103 published applications in this corpus.
Search patents in C03B- Granted patents
- 167
- Published applications
- 103
- Assignees
- 74
- Inventors
- 364
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 9 |
| 2003 | 5 | 7 |
| 2004 | 6 | 6 |
| 2005 | 3 | 4 |
| 2006 | 1 | 6 |
| 2007 | 0 | 4 |
| 2008 | 2 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 3 |
| 2011 | 4 | 2 |
| 2012 | 2 | 9 |
| 2013 | 0 | 2 |
| 2014 | 4 | 3 |
| 2015 | 2 | 5 |
| 2016 | 4 | 5 |
| 2017 | 6 | 7 |
| 2018 | 2 | 3 |
| 2019 | 5 | 7 |
| 2020 | 5 | 2 |
| 2021 | 3 | 3 |
| 2022 | 5 | 0 |
| 2023 | 3 | 3 |
| 2024 | 0 | 2 |
| 2025 | 3 | 0 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Production method for optical fiber base material, and optical fiber base material11 Nov 2025US 12,466,757 B2Sumitomo Electric Industries, Ltd.
- Method for producing optical fiber base material, and optical fiber base material26 Aug 2025US 12,398,062 B2Sumitomo Electric Industries, Ltd.
- Plasma chemical vapor deposition process26 Aug 2025US 12,398,063 B2Draka Comteq B.V.
- Method for manufacturing a preform for optical fibers10 Oct 2023US 11,780,762 B2Prysmian S P A.
- Photodarkening-resistant ytterbium-doped quartz optical fiber and preparation method therefor10 Oct 2023US 11,780,768 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Method for producing an optical fiber preform25 Jun 2026US 2026/0176184 A1Heraeus Quarzglas GmbH & Co.KG
- Multicore optical fiber4 Jun 2026US 2026/0153668 A1Sumitomo Electric Industries, Ltd.
- Expanding tip plugs and method of using and making the same28 May 2026US 2026/0145984 A1Corning Incorporated
- Method of manufacturing a hollow core optical fiber5 Feb 2026US 2026/0035282 A1Corning Incorporated
- Controlling refractive index profile during fiber preform manufacturing11 Jul 2024US 2024/0230984 A9Lumentum Operations LLC
Most cited
By later US patents
- GRIN fiber lenses160US 6,542,665 B2Lucent Technologies Inc. · 2003
- Optical fiber fabrication and resulting product128US 4,217,027 ABell Telephone Laboratories, Incorporated · 1980
- Polarization-preserving optical fiber66US 4,274,854 ABell Telephone Laboratories, Incorporated · 1981
- Method for making optical fibers with variations in core diameter54US 4,049,413 ABell Telephone Laboratories, Incorporated · 1977
- Inductively-coupled plasma source54US 7,969,096 B2MKS Instruments, Inc. · 2011