F16L 55/1152
Fixed by screwing or by means of a screw-threaded ring
Official title: {fixed by screwing or by means of a screw-threaded ring}
F16L55/1152 (Fixed by screwing or by means of a screw-threaded ring) appears on 145 US grants and 130 published applications in this corpus.
Search patents in F16L- Granted patents
- 145
- Published applications
- 130
- Assignees
- 94
- Inventors
- 277
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 3 | 3 |
| 2008 | 1 | 7 |
| 2009 | 2 | 5 |
| 2010 | 2 | 4 |
| 2011 | 1 | 3 |
| 2012 | 3 | 7 |
| 2013 | 4 | 3 |
| 2014 | 4 | 3 |
| 2015 | 5 | 7 |
| 2016 | 2 | 5 |
| 2017 | 8 | 5 |
| 2018 | 5 | 6 |
| 2019 | 9 | 7 |
| 2020 | 6 | 12 |
| 2021 | 8 | 11 |
| 2022 | 9 | 7 |
| 2023 | 8 | 11 |
| 2024 | 11 | 8 |
| 2025 | 5 | 6 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Protective cap assembly for protecting and sealing a tubing191US 5,694,978 AFresenius AG · 1997
- Synchronized dual thread connector123US 5,452,748 A1995
- Gas-permeable, liquid-tight closure65US 3,951,293 ARiedel-de Haen Aktiengesellschaft · 1976
- Reusable pipe union assembly with automatic fluid flow checking45US 5,529,284 A1996
- Mono and multi-layer articles and injection molding methods of making the same37US 7,588,808 B2Advanced Plastics Technologies Luxembourg S.A. · 2009