F16L 1/11
For the detection or protection of pipes in the ground
Official title: for the detection or protection of pipes in the ground
F16L1/11 (For the detection or protection of pipes in the ground) appears on 175 US grants and 164 published applications in this corpus.
Search patents in F16L- Granted patents
- 175
- Published applications
- 164
- Assignees
- 116
- Inventors
- 344
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 3 |
| 2002 | 4 | 3 |
| 2003 | 3 | 5 |
| 2004 | 5 | 3 |
| 2005 | 4 | 2 |
| 2006 | 3 | 6 |
| 2007 | 5 | 7 |
| 2008 | 4 | 3 |
| 2009 | 3 | 4 |
| 2010 | 3 | 9 |
| 2011 | 4 | 2 |
| 2012 | 1 | 1 |
| 2013 | 5 | 6 |
| 2014 | 4 | 10 |
| 2015 | 8 | 6 |
| 2016 | 3 | 10 |
| 2017 | 7 | 6 |
| 2018 | 7 | 9 |
| 2019 | 7 | 14 |
| 2020 | 16 | 16 |
| 2021 | 8 | 11 |
| 2022 | 10 | 7 |
| 2023 | 7 | 4 |
| 2024 | 6 | 8 |
| 2025 | 8 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reinforced concrete protective cover for circumferential surround of pipelines and methods17 Feb 2026US 12,553,540 B2Synthetex, LLC
- Spartan marker tape23 Sep 2025US 12,422,059 B2Eas IP, LLC
- Apparatus, system, and method for a tubular body to traverse a gap9 Sep 2025US 12,410,873 B2TRAXyL, Inc.
- Horizontal directional drilling system and method8 Jul 2025US 12,352,152 B2Vermeer Manufacturing Company
- Helical strake attachment for tubular structural members8 Jul 2025US 12,352,377 B2Meyer Utility Structures, LLC
- High-precision above-ground and underground two-way communication trenchless pipeline construction and detection system27 Aug 2026US 2026/0251235 A1Suzhou Kensor Instrument Technology Co., Ltd.
- Detectable Marker Tape For Horizontal Drilling And Boring Applications9 Jul 2026US 2026/0194161 A1Eas IP, LLC
- Compact Reinforced Metallic Tracer Wire Element and Methods of Making Same16 Apr 2026US 2026/0104529 A1Neptco Incorporated
- Detectable Fiber Optic Cable Protector19 Mar 2026US 2026/0079315 A1Eas IP, LLC
- Horizontal directional drilling system and method25 Sep 2025US 2025/0297543 A1Vermeer Manufacturing Company
Most cited
By later US patents
- Detection element for objects and detection device using the same140US 6,812,707 B2Mitsubishi Materials Corporation · 2004
- Systems and methods for identifying and mapping conduit location140US 6,850,161 B1Verizon Corporate Services Group Inc. · 2005
- Locating elements of construction beneath the surface of earth soils105US 4,623,282 A1986
- Methods, apparatus and devices relating to magnetic markers for elongated hidden objects87US 5,114,517 ASchonstedt Instrument Company · 1992
- Self-dispensing spaced electronic markers74US 5,045,368 AMinnesota Mining and Manufacturing Company · 1991