C03B 37/01466
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 takes precedence)}
C03B37/01466 (Means for changing or stabilising the diameter or form of tubes or) appears on 117 US grants and 101 published applications in this corpus.
Search patents in C03B- Granted patents
- 117
- Published applications
- 101
- Assignees
- 39
- Inventors
- 277
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 6 | 12 |
| 2003 | 2 | 5 |
| 2004 | 4 | 3 |
| 2005 | 3 | 7 |
| 2006 | 2 | 7 |
| 2007 | 1 | 8 |
| 2008 | 2 | 4 |
| 2009 | 0 | 3 |
| 2010 | 5 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 4 |
| 2013 | 2 | 3 |
| 2014 | 5 | 0 |
| 2015 | 1 | 3 |
| 2016 | 3 | 3 |
| 2017 | 1 | 3 |
| 2018 | 3 | 6 |
| 2019 | 1 | 5 |
| 2020 | 4 | 5 |
| 2021 | 5 | 1 |
| 2022 | 2 | 2 |
| 2023 | 5 | 3 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing optical fiber base material, and optical fiber base material26 Aug 2025US 12,398,062 B2Sumitomo Electric Industries, Ltd.
- Special optical fiber for measuring 3D curved shape, manufacturing method thereof, and system for measuring 3D curved shape by using special optical fiber7 Jan 2025US 12,188,760 B2Optonics Co., Ltd.
- Elongating method and elongating apparatus for glass base material20 Aug 2024US 12,065,373 B2Shin-Etsu Chemical Co., Ltd.
- Method of producing optical fiber preform and optical fiber24 Oct 2023US 11,795,097 B2Furukawa Electric Co., Ltd.
- Method for manufacturing a preform for optical fibers10 Oct 2023US 11,780,762 B2Prysmian S P A.
- Method of manufacturing a hollow core optical fiber5 Feb 2026US 2026/0035282 A1Corning Incorporated
- Optical fiber preform, method for measuring refractive index profile of optical fiber preform, and method for producing optical fiber preform29 Jan 2026US 2026/0029342 A1Fujikura Ltd.
- Manufacturing method of optical fiber preform, optical fiber preform, and optical fiber3 Jul 2025US 2025/0214880 A1Shin-Etsu Chemical Co., Ltd.
- Method for manufacturing optical fiber preform14 Sep 2023US 2023/0286851 A1Sumitomo Electric Industries, Ltd.
- Method for producing optical fiber base material, and optical fiber base material29 Jun 2023US 2023/0202904 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Method of producing elliptic core type polarization-maintaining optical fiber241US 5,482,525 AHitachi Cable, Ltd. · 1996
- Polarization-maintaining optical fiber, method of manufacturing polarization-maintaining optical-fiber connecting portion, and polarization-maintaining optical-fiber connecting portion223US 7,809,223 B2Furukawa Electric Co., Ltd. · 2010
- Method of making glass optical waveguide60US 3,932,162 ACorning Glass Works · 1976
- Dispersion-shifted fiber50US 6,072,929 ASumitomo Electric Industries, Ltd. · 2000
- Dispersion managed optical waveguide47US 5,894,537 ACorning Incorporated · 1999