F16L 37/256
The coupling not being coaxial with the pipe
Official title: the coupling not being coaxial with the pipe
F16L37/256 (The coupling not being coaxial with the pipe) appears on 35 US grants and 18 published applications in this corpus.
Search patents in F16L- Granted patents
- 35
- Published applications
- 18
- Assignees
- 18
- Inventors
- 51
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 3 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Polyethylene Pipe Service System Including Quick Connect Means For Polyethylene Pipe Tapping, Plugging, And Completion Operations16 May 2024US 2024/0159341 A1TDW Delaware, Inc.
- Slidable Gladhand16 Feb 2023US 2023/0046740 A1Autonomous Solutions, Inc.
- Polyethylene Pipe Service System Including Quick Connect Means For Polyethylene Pipe Tapping, Plugging, And Completion Operations16 Dec 2021US 2021/0388928 A1TDW Delaware, Inc.
Most cited
By later US patents
- Integrated electrical/air connector20US 6,705,478 B1Westinghouse Air Brake Technologies Corporation · 2004
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- Air brake hose coupling member17US 5,388,864 A1995
- Rotary security lock apparatus for gladhand brake line couplers15US 5,129,243 A1992
- Air brake hose coupling member having an extended locking lug15US 5,842,724 AT. C. Johnson Company · 1998