G02B 6/4408
Groove structures in support members to decrease or harmonise transmission losses in
Official title: {Groove structures in support members to decrease or harmonise transmission losses in ribbon cables}
G02B6/4408 (Groove structures in support members to decrease or harmonise transmission losses in) appears on 67 US grants and 26 published applications in this corpus.
Search patents in G02B- Granted patents
- 67
- Published applications
- 26
- Assignees
- 32
- Inventors
- 158
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical fiber device having annular and axial grooves10 Dec 2024US 12,164,163 B2Ppc Broadband, Inc.
- Cladding for an electro-optical device6 Jun 2023US 11,668,872 B2Schlumberger Technology Corporation
- Reinforcing sleeve, reinforcing structure of spliced portion of optical fiber9 May 2023US 11,644,622 B2Furukawa Electric Co., Ltd.
- Optical fiber device having annular and axial grooves12 Apr 2022US 11,300,743 B2Ppc Broadband, Inc.
- Optical fiber alignment jig, optical fiber fusion splicer equipped with optical fiber alignment jig, and method for aligning optical fiber1 Feb 2022US 11,237,330 B2Sumitomo Electric Optifrontier Co., Ltd.
- Optical fiber cable with plurality of slots28 Nov 2024US 2024/0393554 A1
- Fiber optic cable for downhole and harsh environments7 Dec 2023US 2023/0393358 A1Neubrex Co., Ltd.
- Reinforcing sleeve, reinforcing structure of spliced portion of optical fiber21 Jul 2022US 2022/0229237 A1Furukawa Electric Co., Ltd.
- Linear members having annular and axial grooves23 Jun 2022US 2022/0196947 A1Ppc Broadband, Inc.
- Optical fiber alignment jig, optical fiber fusion splicer equipped with optical fiber alignment jig, and method for aligning optical fiber14 Oct 2021US 2021/0318492 A1Sumitomo Electric Optifrontier Co., Ltd.
Most cited
By later US patents
- Cable containing fiber ribbons with optimized frictional properties116US 5,561,730 ASiecor Corporation · 1996
- Optical fiber cable having a water absorptive member86US 5,179,611 ANippon Telgraph and Telephone Corporation · 1993
- Fiber optic cable for installation in a cable passageway and methods and an apparatus for producing the same77US 6,160,940 ACorning Cable Systems LLC · 2000
- High strength fiber optic cable66US 6,748,147 B2Corning Cable Systems LLC · 2004
- Optical cable having powder embedded in plastic surfaces64US 5,388,175 ASiecor Corporation · 1995