F16L 15/008
With sealing rings
Official title: {with sealing rings}
F16L15/008 (With sealing rings) appears on 175 US grants and 131 published applications in this corpus.
Search patents in F16L- Granted patents
- 175
- Published applications
- 131
- Assignees
- 142
- Inventors
- 371
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 11 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 1 | 2 |
| 2004 | 6 | 6 |
| 2005 | 3 | 7 |
| 2006 | 5 | 7 |
| 2007 | 4 | 4 |
| 2008 | 4 | 8 |
| 2009 | 4 | 3 |
| 2010 | 2 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 6 |
| 2018 | 3 | 9 |
| 2019 | 6 | 11 |
| 2020 | 10 | 9 |
| 2021 | 5 | 6 |
| 2022 | 8 | 9 |
| 2023 | 9 | 13 |
| 2024 | 11 | 5 |
| 2025 | 7 | 5 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fitting for creating a fluid-tight screw connection9 Jun 2026US 12,650,184 B2Viega Technology GmbH & Co. KG
- Threaded connection21 Apr 2026US 12,607,280 B2Saudi Arabian Oil Company
- Metal seal fitting with tight bend technology17 Mar 2026US 12,578,042 B2Hanon Systems
- Threaded adapter seal3 Mar 2026US 12,565,959 B1Diversitech Corporation
- Fluid coupler with positive engagement indicator10 Feb 2026US 12,546,424 B1Mainstream Engineering Corporation
- Fitting and Thread Seal for Establishing a Fluid-Tight Screw Connection for a Pipe with an External Thread23 Jul 2026US 2026/0210461 A1Viega Technology GmbH & Co. KG
- Tube connector and tube with connector21 May 2026US 2026/0139769 A1Hirakawa Hewtech Corporation
- Universal quick-connect hose kit9 Apr 2026US 2026/0098598 A1
- Portable water carrier pump adapter and kit12 Mar 2026US 2026/0071700 A1Lone Rock Concepts, LLC
- Fitting for Creating a Fluid-Tight Screw Connection8 Jan 2026US 2026/0009480 A1Viega Technology GmbH & Co. KG
Most cited
By later US patents
- Pipe connection170US 4,253,687 AWhiting Oilfield Rental, Inc. · 1981
- Tubular connection132US 3,989,284 AHydril Company · 1976
- Synchronized dual thread connector123US 5,452,748 A1995
- Pipe coupling for well casing121US 4,735,444 A1988
- Forming a wellbore casing while simultaneously drilling a wellbore117US 6,640,903 B1Shell Oil Company · 2003