F16L 1/00
Laying or reclaiming pipes
Official title: Laying or reclaiming pipes; Repairing or joining pipes on or under water
F16L1/00 (Laying or reclaiming pipes) appears on 2,885 US grants and 2,353 published applications in this corpus.
Search patents in F16L- Granted patents
- 2,885
- Published applications
- 2,353
- Assignees
- 1,220
- Inventors
- 4,487
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 57 | 0 |
| 1977 | 60 | 0 |
| 1978 | 78 | 0 |
| 1979 | 34 | 0 |
| 1980 | 31 | 0 |
| 1981 | 46 | 0 |
| 1982 | 37 | 0 |
| 1983 | 23 | 0 |
| 1984 | 34 | 0 |
| 1985 | 27 | 0 |
| 1986 | 35 | 0 |
| 1987 | 44 | 0 |
| 1988 | 29 | 0 |
| 1989 | 38 | 0 |
| 1990 | 31 | 0 |
| 1991 | 31 | 0 |
| 1992 | 27 | 0 |
| 1993 | 25 | 0 |
| 1994 | 27 | 0 |
| 1995 | 30 | 0 |
| 1996 | 27 | 0 |
| 1997 | 21 | 0 |
| 1998 | 39 | 0 |
| 1999 | 35 | 0 |
| 2000 | 34 | 0 |
| 2001 | 46 | 13 |
| 2002 | 45 | 26 |
| 2003 | 36 | 41 |
| 2004 | 43 | 30 |
| 2005 | 25 | 51 |
| 2006 | 33 | 50 |
| 2007 | 32 | 58 |
| 2008 | 31 | 63 |
| 2009 | 25 | 66 |
| 2010 | 53 | 100 |
| 2011 | 57 | 93 |
| 2012 | 49 | 85 |
| 2013 | 75 | 127 |
| 2014 | 93 | 144 |
| 2015 | 142 | 141 |
| 2016 | 108 | 156 |
| 2017 | 125 | 121 |
| 2018 | 109 | 153 |
| 2019 | 160 | 145 |
| 2020 | 161 | 138 |
| 2021 | 100 | 122 |
| 2022 | 123 | 101 |
| 2023 | 88 | 95 |
| 2024 | 89 | 90 |
| 2025 | 80 | 86 |
| 2026 | 57 | 58 |
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.
- Methods and systems for earth drilling6 Oct 2026US 12,753,664 B2Mhwirth AS
- Direct tie-in of a pipeline29 Sep 2026US 12,747,808 B2Equinor Energy AS
- Hose weight22 Sep 2026US 12,742,511 B2Luloh LLC
- Robotic hydro-excavation devices15 Sep 2026US 12,735,947 B2Nova Dynamics, LLC
- Removably mounted plow for elongated tubular materials8 Oct 2026US 2026/0305511 A1Roberts Welding & Fabricating Ltd.
- Vortex-induced vibration strake arrangements8 Oct 2026US 2026/0309253 A1Advanced Innergy Ltd.
- Counterweight assembly for a lifting machine1 Oct 2026US 2026/0296849 A1Caterpillar Inc.
- Frame for trenchless pipe replacement system and method1 Oct 2026US 2026/0298370 A1TT Technologies, Inc.
- Marine Tubular Stabilizer And Protector1 Oct 2026US 2026/0298371 A1Advanced Innergy Ltd.
Most cited
By later US patents
- Method of extracting a hollow unit laid in the ground195US 5,984,582 A1999
- 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
- Apparatus for rigidly interconnecting misaligned pipe ends133US 4,045,054 AHydroTech International, Inc. · 1977
- Horizontal drilling method and apparatus131US 5,803,666 A1998