F16L 15/003
With sealing rings
Official title: {with sealing rings}
F16L15/003 (With sealing rings) appears on 181 US grants and 108 published applications in this corpus.
Search patents in F16L- Granted patents
- 181
- Published applications
- 108
- Assignees
- 107
- Inventors
- 298
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 16 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 4 | 14 |
| 2004 | 5 | 9 |
| 2005 | 7 | 7 |
| 2006 | 10 | 3 |
| 2007 | 1 | 5 |
| 2008 | 1 | 1 |
| 2009 | 5 | 0 |
| 2010 | 3 | 7 |
| 2011 | 2 | 3 |
| 2012 | 4 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 3 | 1 |
| 2017 | 5 | 7 |
| 2018 | 3 | 4 |
| 2019 | 2 | 2 |
| 2020 | 4 | 7 |
| 2021 | 2 | 3 |
| 2022 | 7 | 7 |
| 2023 | 7 | 8 |
| 2024 | 5 | 7 |
| 2025 | 9 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal seal weld-on connector for conductor casing18 Aug 2026US 12,710,117 B2United Drilling Tools Ltd.
- Threaded connection for hammering interconnected tubular members11 Nov 2025US 12,467,564 B2Tenaris Connections Limited
- Tubular with screw thread29 Jul 2025US 12,372,189 B2Itrec B V
- Fitting with positive installation indicator assembly1 Jul 2025US 12,345,357 B2ASC Engineered Solutions, LLC
- Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal member17 Jun 2025US 12,330,001 B1Minimax Viking Patent Management GmbH
- Fitting with positive installation indicator assembly16 Oct 2025US 2025/0320937 A1ASC Engineered Solutions, LLC
- Fire Protection Systems and Methods Using Fire Protection Devices Installed in Pipe Fittings With an Internally Housed Seal Member9 Oct 2025US 2025/0312634 A1Minimax Viking Patent Management GmbH
- Fire Protection Systems and Methods Using Fire Protection Devices Installed in Pipe Fittings With an Internally Housed Seal Member19 Jun 2025US 2025/0195929 A1Minimax Viking Patent Management GmbH
- Threaded and Coupled Tubular Connection Incorporating a Seal Ring and Method of Make-Up20 Feb 2025US 2025/0060058 A1Hunting Energy Services, Inc.
- Tubular with screw thread25 Jul 2024US 2024/0247746 A1Itrec B V
Most cited
By later US patents
- Expandable joint connector281US 6,409,175 B1Grant Prideco, L.P. · 2002
- Liner connection160US 4,707,001 ASeal Tech Corp. · 1987
- Threaded connector155US 4,373,754 AHydril Company · 1983
- Threaded pipe connection having wedge threads153US 4,703,954 AHydril Company · 1987
- Pipe joint seal rings143US 4,711,474 AAtlantic Richfield Company · 1987