F16L 15/06
Screw-threaded joints: characterised by the shape of the screw-thread
Official title: characterised by the shape of the screw-thread
F16L15/06 (Screw-threaded joints: characterised by the shape of the screw-thread) appears on 242 US grants and 270 published applications in this corpus.
Search patents in F16L- Granted patents
- 242
- Published applications
- 270
- Assignees
- 121
- Inventors
- 394
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 5 |
| 2004 | 4 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 5 |
| 2008 | 3 | 2 |
| 2009 | 4 | 1 |
| 2010 | 5 | 7 |
| 2011 | 3 | 13 |
| 2012 | 4 | 16 |
| 2013 | 3 | 11 |
| 2014 | 5 | 12 |
| 2015 | 15 | 15 |
| 2016 | 7 | 18 |
| 2017 | 11 | 13 |
| 2018 | 22 | 21 |
| 2019 | 19 | 18 |
| 2020 | 16 | 18 |
| 2021 | 19 | 17 |
| 2022 | 19 | 20 |
| 2023 | 20 | 20 |
| 2024 | 21 | 17 |
| 2025 | 19 | 6 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel pipe joint structure and method for processing steel pipe1 Sep 2026US 12,723,684 B2Metal One Corporation
- Thread adapter25 Aug 2026US 12,715,321 B2Eaton Intelligent Power Limited
- Threaded connection21 Apr 2026US 12,607,280 B2Saudi Arabian Oil Company
- Threaded connection27 Jan 2026US 12,534,962 B2TRACTO-TECHNIK GmbH & Co. KG
- Thread form for drill bit application20 Jan 2026US 12,529,269 B2Schlumberger Technology Corporation
- Threaded Joint8 Oct 2026US 2026/0308988 A1Diversity Technologies Corporation
- Thread profile for threaded connection6 Aug 2026US 2026/0226801 A1Tenaris Connections Limited
- Threaded connection30 Jul 2026US 2026/0218574 A1Nippon Steel Corporation
- Fastener, Male-Screw-Side Member, and Female-Screw-Side Member2 Jul 2026US 2026/0185554 A1Pate.To Co., Ltd
- Premium threaded connections and methods of making and using same30 Apr 2026US 2026/0117602 A1Command Tubular Products, LLC
Most cited
By later US patents
- Thread form with multifacited flanks177US 6,254,146 B1John Gandy Corporation · 2001
- High strength, low torque threaded tubular connection168US 5,427,418 A1995
- Tubular connection having a chevron wedge thread152US 4,600,224 AInterlock Technologies Corporation · 1986
- Tubular connection having a parallel chevron thread89US 4,600,225 AInterlock Technologies Corporation · 1986
- Tool joint connection with interlocking wedge threads85US 5,454,605 AHydril Company · 1995