G02B 6/4414
With internal serpentine waveguides
Official title: {with internal serpentine waveguides}
G02B6/4414 (With internal serpentine waveguides) appears on 12 US grants and 9 published applications in this corpus.
Search patents in G02B- Granted patents
- 12
- Published applications
- 9
- Assignees
- 11
- Inventors
- 36
- Latest grant
- 14 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Acoustically enhanced optical cables14 Feb 2023US 11,577,337 B2Weatherford Technology Holdings, LLC
- Optical fiber cable23 Aug 2022US 11,422,301 B2Nippon Telegraph and Telephone Corporation
- Acoustically enhanced optical cables24 Nov 2020US 10,843,290 B2Weatherford Technology Holdings, LLC
- Cable and method for producing the cable9 Apr 2019US 10,254,493 B2LEONI Kabel GmbH
- Drop cable3 May 2016US 9,329,351 B2Corning Optical Communications LLC
- Multisensing cable for overhead power transmission lines8 Aug 2024US 2024/0266090 A1
- Optical fiber cable with different binder pitch13 Jul 2023US 2023/0221514 A1
- Optical fiber cable with drop cables having preattached optical connectors and method to strand the same25 Aug 2022US 2022/0269024 A1
- Optical fiber cable29 Apr 2021US 2021/0124113 A1Nippon Telegraph and Telephone Corporation
- Acoustically enhanced optical cables14 Jan 2021US 2021/0008657 A1Weatherford Technology Holdings, LLC
Most cited
By later US patents
- Protection of optical fibers37US 4,226,504 AAkzona Incorporated · 1980
- Fiber optic transmission line36US 3,955,878 AInternational Telephone and Telegraph Corporation · 1976
- Optical fibre cable and a method of manufacture22US 4,141,623 ASociete Anonyme dite: Les Cables de Lyon · 1979
- Device for continuous adjustment of the vibration amplitude of eccentric elements21US 4,481,835 ADynapac Maskin AB · 1984
- Infrared transmitting fiber optical waveguide extruded from halides of the metal thallium and the method of preparation20US 4,451,116 AHughes Aircraft Company · 1984