C03C 13/00
Fibre or filament compositions
Official title: Fibre or filament compositions (manufacture of fibres or filaments C03B37/00)
C03C13/00 (Fibre or filament compositions) appears on 1,679 US grants and 1,463 published applications in this corpus.
Search patents in C03C- Granted patents
- 1,679
- Published applications
- 1,463
- Assignees
- 559
- Inventors
- 3,094
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 26 | 0 |
| 1978 | 34 | 0 |
| 1979 | 16 | 0 |
| 1980 | 37 | 0 |
| 1981 | 26 | 0 |
| 1982 | 28 | 0 |
| 1983 | 21 | 0 |
| 1984 | 22 | 0 |
| 1985 | 26 | 0 |
| 1986 | 20 | 0 |
| 1987 | 21 | 0 |
| 1988 | 32 | 0 |
| 1989 | 31 | 0 |
| 1990 | 21 | 0 |
| 1991 | 22 | 0 |
| 1992 | 14 | 0 |
| 1993 | 23 | 0 |
| 1994 | 25 | 0 |
| 1995 | 10 | 0 |
| 1996 | 28 | 0 |
| 1997 | 23 | 0 |
| 1998 | 31 | 0 |
| 1999 | 33 | 0 |
| 2000 | 37 | 0 |
| 2001 | 31 | 9 |
| 2002 | 33 | 49 |
| 2003 | 43 | 79 |
| 2004 | 41 | 50 |
| 2005 | 50 | 68 |
| 2006 | 37 | 45 |
| 2007 | 26 | 51 |
| 2008 | 30 | 48 |
| 2009 | 26 | 48 |
| 2010 | 45 | 52 |
| 2011 | 25 | 46 |
| 2012 | 34 | 57 |
| 2013 | 42 | 35 |
| 2014 | 40 | 40 |
| 2015 | 37 | 55 |
| 2016 | 34 | 50 |
| 2017 | 54 | 70 |
| 2018 | 49 | 59 |
| 2019 | 43 | 76 |
| 2020 | 47 | 76 |
| 2021 | 51 | 71 |
| 2022 | 37 | 71 |
| 2023 | 54 | 76 |
| 2024 | 53 | 81 |
| 2025 | 46 | 66 |
| 2026 | 39 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Athermal glasses and athermal systems for infrared optics22 Sep 2026US 12,741,901 B2Schott AG
- Glass composition for producing high strength and high modulus fibers15 Sep 2026US 12,735,345 B2Owens Corning Intellectual Capital, LLC
- Glass composition for glass fiber, glass fiber, glass fiber fabric, and glass fiber-reinforced resin composition1 Sep 2026US 12,722,998 B2Nitto Boseki Co., Ltd.
- Glass composition with low thermal expansion coefficient and glass fiber made of the same1 Sep 2026US 12,722,999 B2Taiwan Glass Industry Corp.
- Polyarylene sulfide resin composition, molded article, and methods for producing these25 Aug 2026US 12,715,992 B2DIC Corporation
- Glass material and optical fiber8 Oct 2026US 2026/0308047 A1Sumitomo Electric Industries, Ltd.
- Glass material and optical fiber3 Sep 2026US 2026/0257963 A1Sumitomo Electric Industries, Ltd.
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Continuous basalt fibers from hyaloclastite and method of making and using same27 Aug 2026US 2026/0250183 A1Greencraft LLC
- Dedust compositions for treatment of mineral fibers20 Aug 2026US 2026/0242990 A1Cargill, Incorporated
Most cited
By later US patents
- Optical fiber with quantum dots473US 7,054,513 B2Lambda Instruments, Inc. · 2006
- Optical fibre with quantum dots341US 5,881,200 ABritish Telecommunications Public Ltd.Co. · 1999
- Thermal sensing fiber devices242US 7,567,740 B2Massachusetts Institute of Technology · 2009
- Method of producing elliptic core type polarization-maintaining optical fiber241US 5,482,525 AHitachi Cable, Ltd. · 1996
- Optical fiber and method for making such fiber230US 7,313,312 B2Corning Incorporated · 2007