C03B 37/02
By drawing or extruding
Official title: by drawing or extruding, {e.g. direct drawing of molten glass from nozzles; Cooling fins therefor (C03B37/04 takes precedence; sizing of the fibres C03C25/00)}
C03B37/02 (By drawing or extruding) appears on 1,584 US grants and 1,321 published applications in this corpus.
Search patents in C03B- Granted patents
- 1,584
- Published applications
- 1,321
- Assignees
- 501
- Inventors
- 2,829
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 31 | 0 |
| 1978 | 29 | 0 |
| 1979 | 33 | 0 |
| 1980 | 30 | 0 |
| 1981 | 36 | 0 |
| 1982 | 36 | 0 |
| 1983 | 30 | 0 |
| 1984 | 21 | 0 |
| 1985 | 25 | 0 |
| 1986 | 15 | 0 |
| 1987 | 30 | 0 |
| 1988 | 19 | 0 |
| 1989 | 21 | 0 |
| 1990 | 24 | 0 |
| 1991 | 20 | 0 |
| 1992 | 13 | 0 |
| 1993 | 19 | 0 |
| 1994 | 17 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 23 | 0 |
| 1999 | 36 | 0 |
| 2000 | 32 | 0 |
| 2001 | 39 | 28 |
| 2002 | 39 | 68 |
| 2003 | 62 | 63 |
| 2004 | 48 | 74 |
| 2005 | 34 | 70 |
| 2006 | 29 | 43 |
| 2007 | 30 | 28 |
| 2008 | 19 | 31 |
| 2009 | 18 | 41 |
| 2010 | 32 | 39 |
| 2011 | 29 | 36 |
| 2012 | 26 | 36 |
| 2013 | 27 | 35 |
| 2014 | 29 | 32 |
| 2015 | 43 | 50 |
| 2016 | 39 | 41 |
| 2017 | 44 | 60 |
| 2018 | 46 | 58 |
| 2019 | 42 | 74 |
| 2020 | 44 | 76 |
| 2021 | 39 | 57 |
| 2022 | 59 | 64 |
| 2023 | 55 | 59 |
| 2024 | 41 | 56 |
| 2025 | 44 | 58 |
| 2026 | 37 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C03B 37/025From reheated softened tubes, rods, fibres or filaments1,189
- C03B 37/03Drawing means209
- C03B 37/022From molten glass in which the resultant product consists of different sorts188
- C03B 37/0203Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices129
- C03B 37/0216Solving the problem of disruption of drawn fibre44
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
- Glass composition for producing high strength and high modulus fibers15 Sep 2026US 12,735,345 B2Owens Corning Intellectual Capital, LLC
- Anti-resonant optical component and method for the production of same8 Sep 2026US 12,730,258 B2Heraeus Quarzglas GmbH & Co.KG
- 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
- Hollow core optical fibre drawing method with modified preform10 Sep 2026US 2026/0265114 A1University of Southampton
- 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
- Anti-resonant hollow core optical fiber with contacting cladding elements with multiply nested capillaries27 Aug 2026US 2026/0251841 A1Corning Incorporated
- Hollow core optical fibre with yield tolerant microstructure6 Aug 2026US 2026/0227566 A1University of Southampton
Most cited
By later US patents
- Article comprising a micro-structured optical fiber, and method of making such fiber283US 5,802,236 ALucent Technologies Inc. · 1998
- Relational database management system having integrated non-relational multi-dimensional data store of aggregated data elements251US 6,385,604 B1Hyperroll Israel, Ltd. · 2002
- Thermal sensing fiber devices242US 7,567,740 B2Massachusetts Institute of Technology · 2009
- Active optical fiber and method for fabricating an active optical fiber235US 8,433,168 B2Optoelectronics Research Center, Tampere University of Technology · 2013
- Thermal sensing fiber devices228US 7,805,029 B2Massachusetts Institute of Technology · 2010