F16L 25/0027
Joints for pipes made of reinforced concrete
Official title: {Joints for pipes made of reinforced concrete}
F16L25/0027 (Joints for pipes made of reinforced concrete) appears on 24 US grants and 18 published applications in this corpus.
Search patents in F16L- Granted patents
- 24
- Published applications
- 18
- Assignees
- 19
- Inventors
- 36
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices, systems, and methods for connecting concrete structural elements14 Oct 2025US 12,442,188 B2Tindall Corporation
- Method for refurbishing pre-stressed concrete cylinder pipe and refurbished pre-stressed concrete cylinder pipe6 May 2025US 12,292,157 B1Technical Construction Infrastructure Inc.
- Pipe joint, pipe and method of joining pipe sections26 Mar 2024US 11,940,068 B2Construction Research & Technology GmbH
- Plug connection between two tubular workpieces made of concrete, each workpiece having an inner liner made of plastic24 Oct 2023US 11,796,093 B2
- Prefabricated part with a concrete body2 May 2023US 11,639,595 B2Predl GmbH
- Method for Refurbishing Pre-Stressed Concrete Cylinder Pipe and Refurbished Pre-Stressed Concrete Cylinder Pipe1 Jan 2026US 2026/0002612 A1
- Joint for plastic lined concrete pipe20 Mar 2025US 2025/0092970 A1
- Devices, systems, and methods for connecting concrete structural elements1 Aug 2024US 2024/0254770 A1Tindall Corporation
- Prefabricated part with a concrete body10 Jun 2021US 2021/0170628 A1Predl GmbH
- Plug connection between two tubular workpieces made of concrete, each workpiece having an inner liner made of plastic26 Nov 2020US 2020/0370685 A1
Most cited
By later US patents
- Duct coupler apparatus for use with precast concrete segmental construction24US 6,764,105 B12004
- Coupler apparatus for use with angled post-tension cables in precast concrete segmental construction16US 6,874,821 B12005
- Couplers for use with ducts of concrete segmental construction9US 7,686,347 B12010
- Mandrel system for fixing an orientation of a duct in concrete segmental construction7US 8,016,326 B12011
- Connected part of concrete pipe6US 4,026,582 ANippon Concrete Industries Co. Ltd. · 1977