F16L 47/06
Connecting arrangements or other fittings specially adapted to be made of plastics
Official title: with sleeve or socket formed by or in the pipe end
F16L47/06 (Connecting arrangements or other fittings specially adapted to be made of plastics) appears on 281 US grants and 191 published applications in this corpus.
Search patents in F16L- Granted patents
- 281
- Published applications
- 191
- Assignees
- 180
- Inventors
- 436
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 18 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 14 | 0 |
| 1981 | 6 | 0 |
| 1982 | 16 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 6 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 3 | 7 |
| 2006 | 2 | 6 |
| 2007 | 3 | 2 |
| 2008 | 4 | 10 |
| 2009 | 2 | 7 |
| 2010 | 3 | 9 |
| 2011 | 4 | 6 |
| 2012 | 4 | 8 |
| 2013 | 1 | 6 |
| 2014 | 8 | 11 |
| 2015 | 5 | 4 |
| 2016 | 3 | 6 |
| 2017 | 2 | 9 |
| 2018 | 5 | 14 |
| 2019 | 7 | 11 |
| 2020 | 11 | 5 |
| 2021 | 12 | 12 |
| 2022 | 7 | 14 |
| 2023 | 13 | 10 |
| 2024 | 8 | 7 |
| 2025 | 11 | 6 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Corrosion-free welding connection for reinforced thermoplastic pipes (RTP)18 Aug 2026US 12,710,118 B1Saudi Arabian Oil Company
- Side wall seal for piping28 Apr 2026US 12,612,990 B2Roof Goose Vent LLC
- Pipe joint insert device, pipe joint assembly, and methods of forming same7 Apr 2026US 12,595,869 B2Westlake Pipe & Fittings Corporation
- Pipe connector and an assembly of a pipe connector with at least two pipes17 Mar 2026US 12,578,041 B2Naber Holding GmbH & Co. KG
- Polymer pipe, a pipe joint insert device, a pipe joint assembly, and methods of forming same6 Jan 2026US 12,516,764 B2Westlake Pipe & Fittings Corporation
- Corrosion-free welding connection for reinforced thermoplastic pipes (rtp)20 Aug 2026US 2026/0243375 A1Saudi Arabian Oil Company
- Side wall seal for piping30 Jul 2026US 2026/0218829 A1Roof Goose Vent LLC
- Pipe joint insert device, pipe joint assembly, and methods of forming same30 Jul 2026US 2026/0218830 A1Westlake Pipe & Fittings Corporation
- Pipe joint insert device, pipe joint assembly, and methods of forming same30 Jul 2026US 2026/0218831 A1Westlake Pipe & Fittings Corporation
- Bell connections23 Jul 2026US 2026/0210462 A1Advanced Drainage Systems, Inc.
Most cited
By later US patents
- Plastic pipe repair fitting and connection apparatus115US 5,975,587 AContinental Industries, Inc. · 1999
- Cooperating combination of a gland and a grip ring installed in restrained sealed bolted joints of fluid piping systems including both plastic pipe and metallic pipe91US 5,335,946 ARomac Industries, Inc. · 1994
- Pipe joint locking ring and groove arrangement87US 4,111,464 ASekisui Kagaku Kogyo Kabushiki Kaisha · 1978
- Pipe coupling83US 4,629,217 A1986
- Reinforced sealing rings for pipe joints74US 4,368,894 ARieber & Son · 1983