F16L 7/00
Supporting pipes or cables inside other pipes or sleeves
Official title: Supporting pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic (sleeves for supporting pipes, cables or protective tubing, between relatively movable points F16L3/01)
F16L7/00 (Supporting pipes or cables inside other pipes or sleeves) appears on 326 US grants and 227 published applications in this corpus.
Search patents in F16L- Granted patents
- 326
- Published applications
- 227
- Assignees
- 235
- Inventors
- 630
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 12 | 0 |
| 1996 | 15 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 3 |
| 2002 | 10 | 14 |
| 2003 | 9 | 9 |
| 2004 | 12 | 10 |
| 2005 | 7 | 14 |
| 2006 | 4 | 11 |
| 2007 | 5 | 8 |
| 2008 | 4 | 2 |
| 2009 | 4 | 5 |
| 2010 | 5 | 12 |
| 2011 | 5 | 10 |
| 2012 | 6 | 6 |
| 2013 | 3 | 12 |
| 2014 | 2 | 6 |
| 2015 | 9 | 11 |
| 2016 | 7 | 12 |
| 2017 | 11 | 14 |
| 2018 | 9 | 11 |
| 2019 | 16 | 11 |
| 2020 | 10 | 9 |
| 2021 | 3 | 4 |
| 2022 | 6 | 4 |
| 2023 | 9 | 8 |
| 2024 | 6 | 8 |
| 2025 | 7 | 6 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conduit plug for protecting electrical wires15 Sep 2026US 12,733,634 B2The Patent Well LLC
- Seal assembly method and apparatus18 Aug 2026US 12,709,897 B2Platinum Technologies Ltd.
- Insulating support bracket for jacketed pipe system18 Aug 2026US 12,710,125 B2ASC Engineered Solutions, LLC
- Mitigation of buckling in subsea pipe-in-pipe systems24 Feb 2026US 12,560,270 B2Subsea 7 Limited
- Blowable flexible innerduct16 Dec 2025US 12,498,058 B2Milliken & Company
- Air-conditioner decoration tube27 Aug 2026US 2026/0251239 A1
- Sensor grounding withn an axle20 Aug 2026US 2026/0243587 A1
- Mitigation of Buckling in Subsea Pipe-in-Pipe Systems18 Jun 2026US 2026/0168611 A1
- Curved pipe segment for transporting a cryogenic fluid, associated arrangement and aircraft11 Jun 2026US 2026/0160372 A1Airbus Operations GmbH
- Use of an elastomer sleeve for assembly on a line16 Apr 2026US 2026/0104112 A1Hauff-Technik GmbH & Co. KG
Most cited
By later US patents
- Insulated and/or concentric coiled tubing429US 6,015,015 ABJ Services Company, U.S.A. · 2000
- Continous power/signal conductor and cover for downhole use226US 6,103,031 ABaker Hughes Incorporated · 2000
- Methods and systems for subterranean multilateral well drilling and completion106US 5,564,503 AHalliburton Company · 1996
- Methods and systems for subterranean multilateral well drilling and completion99US 5,735,350 AHalliburton Energy Services.Inc. · 1998
- Anchored wavey conduit in coiled tubing86US 5,435,351 A1995