F16L 21/007
Clamped by a wedging action
Official title: {clamped by a wedging action (F16L27/00, F16L37/092, F16L37/122, F16L37/123, F16L37/15, F16L37/16 take precedence)}
F16L21/007 (Clamped by a wedging action) appears on 108 US grants and 125 published applications in this corpus.
Search patents in F16L- Granted patents
- 108
- Published applications
- 125
- Assignees
- 65
- Inventors
- 158
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 6 |
| 2014 | 5 | 12 |
| 2015 | 5 | 20 |
| 2016 | 7 | 4 |
| 2017 | 13 | 13 |
| 2018 | 9 | 8 |
| 2019 | 4 | 7 |
| 2020 | 8 | 12 |
| 2021 | 9 | 4 |
| 2022 | 5 | 10 |
| 2023 | 2 | 2 |
| 2024 | 12 | 8 |
| 2025 | 4 | 2 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing member for repairing a pipeline and method of use15 Sep 2026US 12,736,157 B2Oceaneering International, Inc.
- Gripping wedge for pipe joint restraint30 Jun 2026US 12,669,197 B1EBAA Iron, Inc.
- Universal coupling2 Jun 2026US 12,644,545 B2Advanced Drainage Systems, Inc.
- Pipe fitting with draw mechanism19 May 2026US 12,631,273 B2Romac Industries, Inc.
- Pre-assembled coupling assembly with cap31 Mar 2026US 12,590,657 B2ASC Engineered Solutions, LLC
- Universal coupling10 Sep 2026US 2026/0266403 A1Advanced Drainage Systems, Inc.
- Pre-assembled coupling assembly with cap6 Aug 2026US 2026/0227014 A1ASC Engineered Solutions, LLC
- Pipe, pipe connection and pipeline system11 Jun 2026US 2026/0160362 A1Core Linepipe Inc.
- Fitting12 Feb 2026US 2026/0043505 A1Mueller International, LLC
- Restrained Wide Range Coupling System9 Oct 2025US 2025/0314337 A1Sensus Spectrum, LLC
Most cited
By later US patents
- Pipe connection unit134US 5,098,134 A1992
- Pipe connector apparatus having gripping and sealing means99US 4,142,739 ACompagnie Maritime d'Expertise, S.A. · 1979
- Waste drain connection39US 4,059,289 AAcorn Engineering Company · 1977
- Collet type connector37US 4,984,830 ACooper Industries, Inc. · 1991
- Hybrid push-to-connect fitting device and assembly27US 9,671,049 B1Quick Fitting, Inc. · 2017