F16L 9/153
Comprising only layers of metal and concrete with or without reinforcement
Official title: comprising only layers of metal and concrete with or without reinforcement
F16L9/153 (Comprising only layers of metal and concrete with or without reinforcement) appears on 24 US grants and 20 published applications in this corpus.
Search patents in F16L- Granted patents
- 24
- Published applications
- 20
- Assignees
- 27
- Inventors
- 49
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 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 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 5 |
| 2017 | 1 | 1 |
| 2018 | 5 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 3 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for refurbishing pre-stressed concrete cylinder pipe and refurbished pre-stressed concrete cylinder pipe6 May 2025US 12,292,157 B1Technical Construction Infrastructure Inc.
- Valve insertion tool6 Feb 2024US 11,892,115 B2
- Ultra-high performance fibre-reinforced concrete pipe for pressurized fluid transport7 Nov 2023US 11,808,398 B2Ifp Energies Nouvelles
- Carbon steel-concrete/cement mortar-stainless steel composite submarine pipeline28 Feb 2023US 11,592,124 B2Tsinghua University
- Pre-stressed concrete pipe17 Jan 2023US 11,555,562 B1
- Method for Refurbishing Pre-Stressed Concrete Cylinder Pipe and Refurbished Pre-Stressed Concrete Cylinder Pipe1 Jan 2026US 2026/0002612 A1
- Valve insertion tool27 Apr 2023US 2023/0126924 A1
- Ultra-high performance fibre-reinforced concrete pipe for pressurized fluid transport20 Oct 2022US 2022/0333718 A1Ifp Energies Nouvelles
- Process for producing corrosion resistant alloy clad metal pipes21 Jul 2022US 2022/0226929 A1Advanced Material Solutions, LLC
- Carbon steel-concrete/cement mortar-stainless steel composite submarine pipeline17 Jun 2021US 2021/0180726 A1Tsinghua University
Most cited
By later US patents
- Concrete piles, poles or the like27US 3,963,056 ANippon Concrete Kogyo Kabushiki Kaisha · 1976
- Method for cutting concrete coated pipe21US 3,985,848 ABredero Price, B.V. · 1976
- Composite pipeline19US 3,955,600 ABechtel International Corporation · 1976
- System for forming lined passages through concrete walls12US 5,509,240 A1996
- Thrust pipe10US 4,808,032 AMeyer & John GmbH & Co. Tief- und Rohrleitungsbau · 1989