G02B 6/2551
Using thermal methods
Official title: {using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch}
G02B6/2551 (Using thermal methods) appears on 782 US grants and 610 published applications in this corpus.
Search patents in G02B- Granted patents
- 782
- Published applications
- 610
- Assignees
- 321
- Inventors
- 1,416
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 16 | 0 |
| 1992 | 17 | 0 |
| 1993 | 16 | 0 |
| 1994 | 19 | 0 |
| 1995 | 7 | 0 |
| 1996 | 19 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 22 | 0 |
| 2000 | 22 | 0 |
| 2001 | 23 | 10 |
| 2002 | 24 | 38 |
| 2003 | 27 | 44 |
| 2004 | 33 | 36 |
| 2005 | 29 | 31 |
| 2006 | 23 | 17 |
| 2007 | 17 | 13 |
| 2008 | 21 | 15 |
| 2009 | 13 | 31 |
| 2010 | 15 | 21 |
| 2011 | 11 | 18 |
| 2012 | 7 | 11 |
| 2013 | 16 | 12 |
| 2014 | 11 | 17 |
| 2015 | 29 | 27 |
| 2016 | 24 | 29 |
| 2017 | 19 | 21 |
| 2018 | 16 | 29 |
| 2019 | 25 | 24 |
| 2020 | 36 | 29 |
| 2021 | 19 | 26 |
| 2022 | 14 | 28 |
| 2023 | 21 | 22 |
| 2024 | 25 | 19 |
| 2025 | 17 | 23 |
| 2026 | 8 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fiber connecting body, optical communication system, optical device, and method for manufacturing fiber connecting body11 Aug 2026US 12,704,670 B2Fujikura Ltd.
- Optical fiber arrangement method, optical fiber fusion splicing method, method for manufacturing optical fiber ribbon with connector, and intermittently connected optical fiber ribbon16 Jun 2026US 12,656,548 B2Fujikura Ltd.
- Fusion splice machine2 Jun 2026US 12,645,032 B2Sumitomo Electric Industries, Ltd.
- Apparatuses and methods for facilitating hollow core fiber splicing evacuation12 May 2026US 12,625,322 B2AT&T Intellectual Property I, L. P.
- Fusion splicing system for optical fibers, fusion splicer, model creation device, and method for fusion splicing optical fibers21 Apr 2026US 12,607,805 B2Sumitomo Electric Optifrontier Co., Ltd.
- Fusion splicing device and fusion splicing method24 Sep 2026US 2026/0287821 A1Sumitomo Electric Industries, Ltd.
- Optical fiber arrangement method, optical fiber fusion splicing method, method for manufacturing optical fiber ribbon with connector, and intermittently connected optical fiber ribbon3 Sep 2026US 2026/0259376 A1Fujikura Ltd.
- Adaptive cable assembly and method for construction27 Aug 2026US 2026/0251849 A1AFL Telecommunications LLC
- Fusion splicer20 Aug 2026US 2026/0243962 A1Sumitomo Electric Industries, Ltd.
- Apparatuses and methods for facilitiating hollow core fiber splicing evacuation20 Aug 2026US 2026/0243963 A1AT&T Intellectual Property I, L. P.
Most cited
By later US patents
- Field installable optical fiber connector and an associated method of fabrication117US 5,748,819 ASiecor Corporation · 1998
- Method and apparatus for waveguide optics and devices111US 6,330,388 B1Northstar Photonics, Inc. · 2001
- Method and apparatus for connectorizing fiber optic cable95US 5,915,055 ASiecor Corporation · 1999
- Fusion-splice fiber optic connectors and related tools88US 8,408,811 B2Corning Cable Systems LLC · 2013
- Termination interface structure and method for joining an optical fiber to a graded index rod lens84US 4,962,988 AOptomec Design Company · 1990