F16L 9/006
Rigid pipes: specially profiled
Official title: {specially profiled (F16L9/003 takes precedence)}
F16L9/006 (Rigid pipes: specially profiled) appears on 151 US grants and 193 published applications in this corpus.
Search patents in F16L- Granted patents
- 151
- Published applications
- 193
- Assignees
- 139
- Inventors
- 439
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 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 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 9 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 3 | 6 |
| 2006 | 1 | 4 |
| 2007 | 0 | 4 |
| 2008 | 2 | 4 |
| 2009 | 2 | 3 |
| 2010 | 4 | 2 |
| 2011 | 1 | 5 |
| 2012 | 3 | 6 |
| 2013 | 5 | 10 |
| 2014 | 3 | 14 |
| 2015 | 4 | 12 |
| 2016 | 15 | 14 |
| 2017 | 9 | 8 |
| 2018 | 10 | 17 |
| 2019 | 10 | 17 |
| 2020 | 14 | 12 |
| 2021 | 8 | 8 |
| 2022 | 5 | 7 |
| 2023 | 6 | 6 |
| 2024 | 12 | 11 |
| 2025 | 7 | 4 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nestable ducts with rings11 Aug 2026US 12,704,206 B2
- Method for producing pipes having topographic inner structures2 Jun 2026US 12,644,654 B2Karlsruher Institut Fuer Technologie
- Tubular member with asymmetric burst and collapse ratings, method, and system14 Apr 2026US 12,601,226 B2Baker Hughes Oilfield Operations LLC
- Cryogenic turbopump feed line14 Apr 2026US 12,601,426 B2Arianegroup SAS
- Nonuniform wall thickness profile for teardrop pressure vessels7 Apr 2026US 12,595,885 B2Hamilton Sundstrand Corporation
- Pipe element, coupling and roller set27 Aug 2026US 2026/0251240 A1Victaulic Company
- Grooved Pipe Element and Coupling27 Aug 2026US 2026/0251244 A1Victaulic Company
- Grooved Pipe Element and Coupling27 Aug 2026US 2026/0251247 A1Victaulic Company
- Egg-shaped pipe that is easy to connect and disconnect23 Apr 2026US 2026/0110375 A1Shinwoo Ind. Co., Ltd.
- Filter to tank flow tube arrangement31 Jul 2025US 2025/0243951 A1Donaldson Company, Inc.
Most cited
By later US patents
- Spoolable composite tubular member with energy conductors188US 5,913,337 AFiber Spar and Ture Corporation · 1999
- Spoolable composite tubular member with energy conductors152US 5,908,049 AFiber Spar and Tube Corporation · 1999
- Composite tubular member with axial fibers adjacent the side walls75US 5,176,180 AConoco Inc. · 1993
- Channel based reverse osmosis51US 5,914,041 ANate International · 1999
- Flexible tube of endoscope and method of and apparatus for producing the same38US 5,058,567 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1991