F16L 1/028
In the ground
Official title: in the ground (F16L1/026 takes precedence)
F16L1/028 (In the ground) appears on 458 US grants and 426 published applications in this corpus.
Search patents in F16L- Granted patents
- 458
- Published applications
- 426
- Assignees
- 236
- Inventors
- 782
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 9 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 4 |
| 2004 | 3 | 2 |
| 2005 | 5 | 9 |
| 2006 | 3 | 11 |
| 2007 | 7 | 5 |
| 2008 | 4 | 4 |
| 2009 | 1 | 7 |
| 2010 | 4 | 13 |
| 2011 | 9 | 14 |
| 2012 | 9 | 13 |
| 2013 | 11 | 23 |
| 2014 | 6 | 28 |
| 2015 | 24 | 25 |
| 2016 | 19 | 33 |
| 2017 | 26 | 15 |
| 2018 | 13 | 26 |
| 2019 | 31 | 36 |
| 2020 | 29 | 25 |
| 2021 | 24 | 30 |
| 2022 | 29 | 28 |
| 2023 | 23 | 18 |
| 2024 | 22 | 17 |
| 2025 | 21 | 23 |
| 2026 | 13 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for determining position of a pipelayer boom6 Oct 2026US 12,753,051 B2Caterpillar Inc.
- Robotic hydro-excavation devices15 Sep 2026US 12,735,947 B2Nova Dynamics, LLC
- Pipe-joining attachment for work machine, work machine provided with same, and pipe-joining method21 Jul 2026US 12,687,244 B2Kubota Corporation
- Non-disruptive underground pipe replacement process23 Jun 2026US 12,663,098 B2
- Conduit guide for conduit laying machine9 Jun 2026US 12,650,182 B2Roberts Welding & Fabricating Ltd.
- Removably mounted plow for elongated tubular materials8 Oct 2026US 2026/0305511 A1Roberts Welding & Fabricating Ltd.
- Frame for trenchless pipe replacement system and method1 Oct 2026US 2026/0298370 A1TT Technologies, Inc.
- Pile extraction device and method24 Sep 2026US 2026/0286638 A1
- Methods and systems for controlling iron ochre proliferation in a conduit27 Aug 2026US 2026/0249333 A1
- 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.
Most cited
By later US patents
- Method of extracting a hollow unit laid in the ground195US 5,984,582 A1999
- Horizontal drilling method and apparatus131US 5,803,666 A1998
- Oral hygiene apparatuses using faucet water flow to produce spray jet120US 6,835,181 B22004
- Technique for making up threaded pipe joints into a pipeline80US 5,354,150 A1994
- Cable laying device72US 11,575,249 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2023