F16L 47/04
Connecting arrangements or other fittings specially adapted to be made of plastics
Official title: with a swivel nut or collar engaging the pipe
F16L47/04 (Connecting arrangements or other fittings specially adapted to be made of plastics) appears on 208 US grants and 147 published applications in this corpus.
Search patents in F16L- Granted patents
- 208
- Published applications
- 147
- Assignees
- 115
- Inventors
- 303
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 7 | 8 |
| 2003 | 5 | 4 |
| 2004 | 4 | 7 |
| 2005 | 7 | 4 |
| 2006 | 2 | 4 |
| 2007 | 3 | 2 |
| 2008 | 1 | 3 |
| 2009 | 4 | 6 |
| 2010 | 4 | 2 |
| 2011 | 2 | 13 |
| 2012 | 5 | 6 |
| 2013 | 1 | 5 |
| 2014 | 2 | 5 |
| 2015 | 8 | 2 |
| 2016 | 3 | 8 |
| 2017 | 5 | 11 |
| 2018 | 4 | 2 |
| 2019 | 10 | 13 |
| 2020 | 7 | 4 |
| 2021 | 1 | 6 |
| 2022 | 11 | 7 |
| 2023 | 5 | 11 |
| 2024 | 8 | 3 |
| 2025 | 3 | 7 |
| 2026 | 9 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Irrigation system8 Sep 2026US 12,727,555 B2Rjs & Jgs Developments Pty Ltd
- Plumbing connector8 Sep 2026US 12,729,785 B2Reliance Worldwide Corporation (UK) Limited
- Guide ring14 Jul 2026US 12,680,638 B2Mueller International, LLC
- Pipe joint2 Jun 2026US 12,644,542 B2Nippon Pillar Packing Co., Ltd.
- Hooked pipe coupling2 Jun 2026US 12,644,546 B2ASC Engineered Solutions, LLC
- Plumbing connector24 Sep 2026US 2026/0287102 A1Reliance Worldwide Corporation (UK) Limited
- A plumbing connector16 Jul 2026US 2026/0201991 A1Reliance Worldwide Corporation (UK) Limited
- Universal quick-connect hose kit9 Apr 2026US 2026/0098598 A1
- A plumbing connector9 Apr 2026US 2026/0098600 A9Reliance Worldwide Corporation (UK) Limited
- Sealing pipe joint made of resin16 Oct 2025US 2025/0320944 A1Feature-Tec (Shanghai) New Materials Co., Ltd.
Most cited
By later US patents
- Rotatable connecting device for I.V. administration set274US 4,296,949 AAbbott Laboratories · 1981
- Luer connection143US 4,639,019 ABaxter Travenol Laboratories, Inc. · 1987
- Male luer lock connector for medical fluid lines97US 6,893,056 B2Industrie Borla S. P. A. · 2005
- Fitting for flexible plastic pipe82US 3,980,325 A1976
- Captured nut coupling82US 4,150,845 ABecton, Dickinson and Company · 1979