F16L 58/182
For screw-threaded joints
Official title: {for screw-threaded joints}
F16L58/182 (For screw-threaded joints) appears on 124 US grants and 105 published applications in this corpus.
Search patents in F16L- Granted patents
- 124
- Published applications
- 105
- Assignees
- 62
- Inventors
- 217
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 6 |
| 2004 | 3 | 7 |
| 2005 | 4 | 4 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 3 | 4 |
| 2009 | 2 | 6 |
| 2010 | 4 | 4 |
| 2011 | 4 | 3 |
| 2012 | 2 | 7 |
| 2013 | 6 | 6 |
| 2014 | 4 | 7 |
| 2015 | 4 | 4 |
| 2016 | 5 | 6 |
| 2017 | 5 | 5 |
| 2018 | 4 | 6 |
| 2019 | 6 | 6 |
| 2020 | 6 | 7 |
| 2021 | 4 | 2 |
| 2022 | 8 | 2 |
| 2023 | 5 | 5 |
| 2024 | 2 | 1 |
| 2025 | 4 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Solid lubricant for Zn-Ni coating on a threaded tubular element25 Nov 2025US 12,480,610 B2Nippon Steel Corporation
- Sealant material29 Jul 2025US 12,371,600 B2Henkel AG & Co. KGaA
- Metal tubular component, tubular threaded joint comprising such a component and method of obtaining such a component1 Jul 2025US 12,345,368 B2Vallourec Oil and Gas France
- Sealed pipeline connection, pipeline sleeve, and lockable pipeline seals and method of making same18 Mar 2025US 12,253,192 B2Lps IP, LLC
- Cover for a tubular22 Oct 2024US 12,123,538 B2End Elements, LLC
- Protector for tubular threaded elements3 Jul 2025US 2025/0216017 A1Vallourec Oil and Gas France
- Solid lubricant for zn-ni coating on a threaded tubular element2 Jan 2025US 2025/0003533 A1Nippon Steel Corporation
- Metal tubular component, tubular threaded joint comprising such a component and method of obtaining such a component12 Dec 2024US 2024/0410514 A1Vallourec Oil and Gas France
- Sealed pipeline connection, pipeline sleeve, and lockable pipeline seals and method of making same14 Sep 2023US 2023/0287999 A1Lps IP, LLC
- Sealant material13 Jul 2023US 2023/0220254 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Corrosion resistant tube assembly172US 4,366,971 AAllegheny Ludlum Steel Corporation · 1983
- Stainless steel liner in oil well pipe144US 4,026,583 AHydril Company · 1977
- Oil well pipe joint140US 4,630,849 ASumitomo Metal Industries, Ltd. · 1986
- Use of electroless metal coating to prevent galling of threaded tubular joints99US 4,758,025 AMobil Oil Corporation · 1988
- Surface conditioning prior to chemical conversion treatment of a steel member93US 7,666,266 B2Sumitomo Metal Industries, Ltd. · 2010