G02B 6/504
Installation in solid material
Official title: {Installation in solid material, e.g. underground}
G02B6/504 (Installation in solid material) appears on 115 US grants and 152 published applications in this corpus.
Search patents in G02B- Granted patents
- 115
- Published applications
- 152
- Assignees
- 77
- Inventors
- 238
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 4 |
| 2005 | 2 | 6 |
| 2006 | 4 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 7 |
| 2014 | 1 | 5 |
| 2015 | 3 | 11 |
| 2016 | 10 | 17 |
| 2017 | 8 | 9 |
| 2018 | 10 | 8 |
| 2019 | 12 | 12 |
| 2020 | 14 | 6 |
| 2021 | 4 | 7 |
| 2022 | 9 | 9 |
| 2023 | 3 | 6 |
| 2024 | 4 | 12 |
| 2025 | 4 | 7 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Walk behind grinding tool with horizontally aligned guides and grinding drum7 Apr 2026US 12,594,639 B2Corning Research & Development Corporation
- Optical cable laying method31 Mar 2026US 12,591,100 B2NTT, Inc.
- Steel fiber composite intelligent bar with sheathing optical cable embedded in inner core of rebar, and fabrication method thereof4 Nov 2025US 12,461,326 B2Shenzhen University
- Microtrench gravel installer and method of filling and sealing a microtrench containing an optical fiber and/or innerduct/microduct using the microtrench gravel installer22 Apr 2025US 12,281,459 B2Cciip LLC
- Optical cable laying method18 Mar 2025US 12,253,735 B2Nippon Telegraph and Telephone Corporation
- While-drilling fiber optic communication system and method8 Oct 2026US 2026/0309953 A1Wuhan University of Technology
- Monitoring submarine cable exposure3 Sep 2026US 2026/0261337 A1Fiber Sense Limited
- Optical fiber structure for road surface laying and laying method thereof30 Jul 2026US 2026/0219469 A1NTT, Inc.
- Method of deploying an optical fiber cable in a telecommunications network11 Jun 2026US 2026/0160968 A1British Telecommunications Public Ltd.Co.
- A method of deploying an optical fibre cable in a telecommunications network4 Jun 2026US 2026/0153700 A1British Telecommunications Public Ltd.Co.
Most cited
By later US patents
- Method of introducing optical cable into a solid bed73US 6,371,691 B1Siemens Aktiengesellschaft · 2002
- Process and apparatus for introducing an optical or electrical cable into solid ground67US 5,879,109 ASiemens Aktiengesellschaft · 1999
- Subsurface fibre optic cable network installation60US 6,807,355 B2TeraSpan Networks, Inc. · 2004
- Subsurface fibre optic cable network installation51US 7,050,683 B2TeraSpan Networks, Inc. · 2006
- Fiber optic installation49US 6,866,448 B2CCS Technology, Inc. · 2005