C03C 25/62
Surface treatment of fibres or filaments made from glass, minerals or slags
Official title: by application of electric or wave energy (for drying or dehydration C03C25/64); by particle radiation or ion implantation
C03C25/62 (Surface treatment of fibres or filaments made from glass, minerals or slags) appears on 164 US grants and 190 published applications in this corpus.
Search patents in C03C- Granted patents
- 164
- Published applications
- 190
- Assignees
- 123
- Inventors
- 447
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 7 |
| 2002 | 4 | 4 |
| 2003 | 8 | 15 |
| 2004 | 6 | 14 |
| 2005 | 6 | 5 |
| 2006 | 7 | 3 |
| 2007 | 7 | 3 |
| 2008 | 0 | 7 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 5 |
| 2012 | 6 | 3 |
| 2013 | 4 | 4 |
| 2014 | 2 | 2 |
| 2015 | 5 | 4 |
| 2016 | 2 | 7 |
| 2017 | 4 | 10 |
| 2018 | 4 | 10 |
| 2019 | 2 | 9 |
| 2020 | 6 | 18 |
| 2021 | 13 | 13 |
| 2022 | 10 | 13 |
| 2023 | 4 | 12 |
| 2024 | 8 | 6 |
| 2025 | 6 | 6 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Capillary and manufacturing method therefor29 Sep 2026US 12,748,264 B2Nippon Electric Glass Co., Ltd.
- Broadband, freeform focusing micro optics for side-viewing imaging catheters8 Sep 2026US 12,727,743 B2The Regents of the University of California
- Resin composition, optical fiber, and method for producing optical fiber18 Aug 2026US 12,709,686 B2Sumitomo Electric Industries, Ltd.
- Light-based optical fiber heaters using hollow light pipes12 May 2026US 12,623,950 B2Corning Incorporated
- Method of fabricating an optical fibre preform21 Apr 2026US 12,606,482 B2Heriot-Watt University
- Optical fiber20 Aug 2026US 2026/0243948 A1Sumitomo Electric Industries, Ltd.
- Borosilicate fiberglass insulation materials and methods for making and using them25 Jun 2026US 2026/0176195 A1CertainTeed Corporation
- Method for manufacturing optical fiber25 Jun 2026US 2026/0177772 A1Sumitomo Electric Industries, Ltd.
- Resin composition, optical fiber, optical fiber manufacturing method, optical fiber ribbon, and optical fiber cable11 Jun 2026US 2026/0159625 A1Sumitomo Electric Industries, Ltd.
- Resin composition, optical fiber, method for producing optical fiber, optical fiber ribbon, and optical fiber cable11 Jun 2026US 2026/0160969 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Photo-encoded selective etching for glass based microtechnology applications51US 5,919,607 ABrown University Research Foundation · 1999
- Raman fibre laser, bragg fibre-optical grating and method for changing the refraction index in germanium silicate glass47US 5,838,700 ANauchny Tsentr Volokonnoi Optiki Pri Institute Obschei Fiziki Rossiiskoi Akademii Nauk · 1998
- Technique to prepare high-reflectance optical fiber bragg gratings with single exposure in-line or fiber draw tower46US 5,400,422 AThe United States of America as represented by the Secretary of the Navy · 1995
- Method for producing photoinduced bragg gratings by irradiating a hydrogenated glass body in a heated state42US 5,478,371 AAT&T Corp. · 1995
- Accelerated method for increasing the photosensitivity of a glassy material41US 6,311,524 B13M Innovative Properties Company · 2001