C03B 37/022
From molten glass in which the resultant product consists of different sorts
Official title: from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres {, undulated fibres, fibres presenting a rough surface (C03B37/025 takes precedence)}
C03B37/022 (From molten glass in which the resultant product consists of different sorts) appears on 188 US grants and 90 published applications in this corpus.
Search patents in C03B- Granted patents
- 188
- Published applications
- 90
- Assignees
- 96
- Inventors
- 349
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 11 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 13 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 3 |
| 2002 | 1 | 2 |
| 2003 | 10 | 9 |
| 2004 | 2 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 3 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 4 | 4 |
| 2016 | 2 | 2 |
| 2017 | 2 | 3 |
| 2018 | 3 | 4 |
| 2019 | 3 | 4 |
| 2020 | 2 | 6 |
| 2021 | 2 | 4 |
| 2022 | 3 | 2 |
| 2023 | 2 | 11 |
| 2024 | 2 | 2 |
| 2025 | 2 | 7 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for manufacturing cement using rotary generated thermal energy28 Jul 2026US 12,692,192 B2Coolbrook Oy
- Method and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy9 Jun 2026US 12,649,689 B2Coolbrook Oy
- Infrared-transmitting, polarization-maintaining optical fiber and method for making12 May 2026US 12,623,947 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Melting vitrifiable material with a biomass-type fuel16 Dec 2025US 12,497,322 B2Saint-Gobain Isover
- Flat-cross-section glass fiber, glass-fiber-reinforced resin composition, and glass-fiber-reinforced resin molded product14 Jan 2025US 12,195,600 B1Nitto Boseki Co., Ltd.
- Refining and/or petrochemical facility and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy17 Sep 2026US 2026/0274747 A1Coolbrook Oy
- 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
- Glass fiber and method for producing the same25 Jun 2026US 2026/0176185 A1Nan Ya Plastics Corporation
- Glass fiber and method for producing the same11 Jun 2026US 2026/0159440 A1Nan Ya Plastics Corporation
- System and method for fabrication of hollow-core fibers28 May 2026US 2026/0145987 A1Relativity Networks, Inc.
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
- Hollow porous microspheres made from dispersed particle compositions128US 5,212,143 A1993
- Method for producing plastic microfilaments127US 4,536,361 A1985