C03B 37/01
Manufacture of glass fibres or filaments
C03B37/01 (Manufacture of glass fibres or filaments) appears on 3,909 US grants and 2,977 published applications in this corpus.
Search patents in C03B- Granted patents
- 3,909
- Published applications
- 2,977
- Assignees
- 872
- Inventors
- 5,477
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 49 | 0 |
| 1978 | 61 | 0 |
| 1979 | 59 | 0 |
| 1980 | 87 | 0 |
| 1981 | 89 | 0 |
| 1982 | 95 | 0 |
| 1983 | 81 | 0 |
| 1984 | 62 | 0 |
| 1985 | 83 | 0 |
| 1986 | 63 | 0 |
| 1987 | 101 | 0 |
| 1988 | 72 | 0 |
| 1989 | 89 | 0 |
| 1990 | 70 | 0 |
| 1991 | 49 | 0 |
| 1992 | 68 | 0 |
| 1993 | 68 | 0 |
| 1994 | 68 | 0 |
| 1995 | 37 | 0 |
| 1996 | 41 | 0 |
| 1997 | 64 | 0 |
| 1998 | 67 | 0 |
| 1999 | 87 | 0 |
| 2000 | 75 | 0 |
| 2001 | 86 | 43 |
| 2002 | 107 | 177 |
| 2003 | 127 | 194 |
| 2004 | 132 | 194 |
| 2005 | 95 | 183 |
| 2006 | 91 | 121 |
| 2007 | 59 | 124 |
| 2008 | 56 | 92 |
| 2009 | 42 | 98 |
| 2010 | 87 | 104 |
| 2011 | 80 | 91 |
| 2012 | 72 | 102 |
| 2013 | 73 | 94 |
| 2014 | 93 | 91 |
| 2015 | 74 | 95 |
| 2016 | 86 | 97 |
| 2017 | 91 | 99 |
| 2018 | 76 | 99 |
| 2019 | 70 | 128 |
| 2020 | 72 | 136 |
| 2021 | 83 | 110 |
| 2022 | 103 | 114 |
| 2023 | 104 | 116 |
| 2024 | 82 | 96 |
| 2025 | 82 | 97 |
| 2026 | 59 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hollow core optical fibers and methods of making6 Oct 2026US 12,753,108 B2Corning Incorporated
- Optical fiber preform production method, optical fiber preform, and optical fiber production method29 Sep 2026US 12,747,183 B2Fujikura Ltd.
- Hollow-core optical fibers22 Sep 2026US 12,742,925 B2Corning Incorporated
- Process of making multi-core fiber preform by integrating core rods and cladding cylinder15 Sep 2026US 12,735,344 B2Heraeus Quartz North America LLC
- Glass composition for producing high strength and high modulus fibers15 Sep 2026US 12,735,345 B2Owens Corning Intellectual Capital, LLC
- Method of manufacturing an optical fiber preform using air flow to remove debris generated during laser welding and system for performing the method1 Oct 2026US 2026/0296947 A1Corning Incorporated
- Hollow-core preforms and hollow-core optical fibers and methods of making the same1 Oct 2026US 2026/0296948 A1Corning Incorporated
- Laser welded glass article and method of manufacturing the same using a welding emission with beam waist separated from interface between glass components to be laser welded17 Sep 2026US 2026/0274735 A1Corning Incorporated
- Fiber preform with laser weld volume including ultraviolet absorbing constituent and method of manufacturing the same17 Sep 2026US 2026/0274736 A1Corning Incorporated
- 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
Most cited
By later US patents
- Multicore optical fibre354US 6,301,420 B1The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2001
- Method and apparatus for supplying gaseous raw material349US 5,540,059 AShin-Etsu Quartz Products Co., Ltd. · 1996
- Article comprising a micro-structured optical fiber, and method of making such fiber283US 5,802,236 ALucent Technologies Inc. · 1998
- Method of manufacturing fluorine-doped optical fibers270US 4,468,413 AU. S. Philips Corporation · 1984
- Relational database management system having integrated non-relational multi-dimensional data store of aggregated data elements251US 6,385,604 B1Hyperroll Israel, Ltd. · 2002