C03B 37/075
Manufacture of non-optical fibres or filaments consisting of different sorts of glass
Official title: Manufacture of {non-optical} fibres or filaments consisting of different sorts of glass or characterised by shape, e.g. undulated fibres (C03B37/022, C03B37/027, C03B37/028 take precedence; light guides G02B6/00)
C03B37/075 (Manufacture of non-optical fibres or filaments consisting of different sorts of glass) appears on 130 US grants and 53 published applications in this corpus.
Search patents in C03B- Granted patents
- 130
- Published applications
- 53
- Assignees
- 63
- Inventors
- 213
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 7 |
| 2003 | 5 | 7 |
| 2004 | 8 | 3 |
| 2005 | 4 | 3 |
| 2006 | 3 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 3 | 4 |
| 2018 | 8 | 6 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fiber and manufacturing method of the same22 Apr 2025US 12,281,037 B2Nippon Fiber Corporation
- Nozzle tip for producing glass fibers and method for producing glass fibers6 Dec 2022US 11,518,705 B2Central Glass Company, Limited
- Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers25 Jan 2022US 11,233,484 B2Johns Manville
- Glass fiber production method22 Jun 2021US 11,040,908 B2Nitto Boseki Co., Ltd.
- Twisted glass canes for artists8 Jun 2021US 11,028,004 B2Anatoly Glass, LLC
- Flat cross-section glass fiber, and method for producing flat cross-section glass fiber from glass raw material including recycled glass material4 Sep 2025US 2025/0276932 A1Nitto Boseki Co., Ltd.
- Fiber and manufacturing method of the same26 Jan 2023US 2023/0023966 A1Nippon Fiber Corporation
- Continuous smelting and fiber spinning process24 Jun 2021US 2021/0188692 A1Armstrong World Industries, Inc.
- Nozzle Tip for Producing Glass Fibers and Method for Producing Glass Fibers23 Jan 2020US 2020/0024177 A1Central Glass Company, Limited
- Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers29 Aug 2019US 2019/0263712 A1Johns Manville
Most cited
By later US patents
- Method for making hollow porous microspheres166US 4,671,909 A1987
- Hollow porous microspheres made from dispersed particle compositions150US 5,397,759 A1995
- Hollow porous microspheres as substrates and containers for catalyst136US 4,793,980 A1988
- Flat surfaced optical fibers and diode laser medical delivery devices132US 5,566,267 ACeram Optec Industries, Inc. · 1996
- Hollow porous microspheres made from dispersed particle compositions128US 5,212,143 A1993