C03B 37/025
From reheated softened tubes, rods, fibres or filaments
Official title: from reheated softened tubes, rods, fibres or filaments {, e.g. drawing fibres from preforms (draw-down of tubes, rods or preforms to reduced diameter preforms C03B37/0124)}
C03B37/025 (From reheated softened tubes, rods, fibres or filaments) appears on 1,189 US grants and 1,078 published applications in this corpus.
Search patents in C03B- Granted patents
- 1,189
- Published applications
- 1,078
- Assignees
- 395
- Inventors
- 2,202
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 13 | 0 |
| 1978 | 17 | 0 |
| 1979 | 18 | 0 |
| 1980 | 13 | 0 |
| 1981 | 20 | 0 |
| 1982 | 12 | 0 |
| 1983 | 18 | 0 |
| 1984 | 13 | 0 |
| 1985 | 14 | 0 |
| 1986 | 8 | 0 |
| 1987 | 18 | 0 |
| 1988 | 12 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 13 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 18 | 0 |
| 1999 | 26 | 0 |
| 2000 | 25 | 0 |
| 2001 | 33 | 25 |
| 2002 | 35 | 61 |
| 2003 | 48 | 47 |
| 2004 | 43 | 64 |
| 2005 | 34 | 64 |
| 2006 | 27 | 35 |
| 2007 | 25 | 21 |
| 2008 | 14 | 24 |
| 2009 | 14 | 37 |
| 2010 | 27 | 28 |
| 2011 | 26 | 31 |
| 2012 | 22 | 24 |
| 2013 | 21 | 28 |
| 2014 | 20 | 25 |
| 2015 | 32 | 41 |
| 2016 | 33 | 34 |
| 2017 | 34 | 45 |
| 2018 | 38 | 49 |
| 2019 | 33 | 62 |
| 2020 | 40 | 64 |
| 2021 | 33 | 50 |
| 2022 | 50 | 53 |
| 2023 | 48 | 39 |
| 2024 | 35 | 47 |
| 2025 | 37 | 43 |
| 2026 | 28 | 37 |
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
- Anti-resonant optical component and method for the production of same8 Sep 2026US 12,730,258 B2Heraeus Quarzglas GmbH & Co.KG
- Nanofiber manufacturing device and method for quantum computing18 Aug 2026US 12,709,565 B1Nanofiber Quantum Technologies, Inc.
- 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
- Methods of Pedestal Shaping in Optical Fibers and Related Structures30 Jul 2026US 2026/0217589 A1The Government of the United States of America, as represented by the Secretary of the Navy
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