F16L 47/065
With sealing rings arranged between outer surface of pipe and inner surface
Official title: {with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket, the sealing rings being placed previously on the male part}
F16L47/065 (With sealing rings arranged between outer surface of pipe and inner surface) appears on 21 US grants and 15 published applications in this corpus.
Search patents in F16L- Granted patents
- 21
- Published applications
- 15
- Assignees
- 20
- Inventors
- 36
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Composite fluid transfer conduit16 Dec 2025US 12,498,074 B2Crompton Technology Group Limited
- Pipe joint gasket and method of using same23 Apr 2024US 11,965,618 B1Hultec Acquisition, LLC
- Pipe fitting with inner and outer seals15 Aug 2023US 11,725,763 B2Honeywell International Inc.
- Connected part seal structure, and seal member27 Jul 2021US 11,073,209 B2Ckd Corporation
- Pipe section joining member, pipe joint and elongated pipe13 Apr 2021US 10,975,996 B2Construction Research & Technology GmbH
- A method and apparatus for joining hollow structures16 Jan 2025US 2025/0020258 A1Long Pipes Limited
- Composite fluid transfer conduit5 Oct 2023US 2023/0313935 A1Crompton Technology Group Limited
- Pipe Fitting With Inner And Outer Seals27 May 2021US 2021/0156500 A1Honeywell International Inc.
- Pipe Section Joining Member, Pipe Joint and Elongated Pipe28 Nov 2019US 2019/0360626 A1Construction Research & Technology GmbH
- Connected part seal structure, and seal member3 Oct 2019US 2019/0301608 A1Ckd Corporation
Most cited
By later US patents
- Packing ring for ribbed conduits63US 4,304,415 AWOCO Franz-Josef Wolf & Co. · 1981
- Pipe coupler assembly43US 4,067,534 ACelanese Corporation · 1978
- Symmetrical gasket for a pipe joint31US 5,687,976 AVertex, Inc. · 1997
- Reinforced plastic pipe16US 4,050,721 APhone-Ducs, Inc. · 1977
- Corrugated spiral pipe with joint, process of producing the same, and method of providing sealing connection between corrugated spiral pipes14US 5,415,440 A1995