F16L 15/006
Screw-threaded joints: with straight threads
Official title: {with straight threads}
F16L15/006 (Screw-threaded joints: with straight threads) appears on 443 US grants and 397 published applications in this corpus.
Search patents in F16L- Granted patents
- 443
- Published applications
- 397
- Assignees
- 298
- Inventors
- 872
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 18 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 7 |
| 2003 | 3 | 6 |
| 2004 | 10 | 11 |
| 2005 | 6 | 18 |
| 2006 | 13 | 25 |
| 2007 | 9 | 8 |
| 2008 | 7 | 22 |
| 2009 | 12 | 7 |
| 2010 | 7 | 7 |
| 2011 | 8 | 9 |
| 2012 | 5 | 9 |
| 2013 | 6 | 5 |
| 2014 | 6 | 6 |
| 2015 | 6 | 8 |
| 2016 | 6 | 11 |
| 2017 | 11 | 20 |
| 2018 | 14 | 32 |
| 2019 | 19 | 38 |
| 2020 | 27 | 25 |
| 2021 | 23 | 25 |
| 2022 | 25 | 25 |
| 2023 | 22 | 29 |
| 2024 | 28 | 16 |
| 2025 | 22 | 16 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual-use adaptor and speaker stand having the same22 Sep 2026US 12,742,509 B2K. H. S. Musical Instrument Co., Ltd.
- Clamp equipped nozzle and quick connectors25 Aug 2026US 12,716,525 B2
- Threaded steel pipe or tube and production method therefor7 Jul 2026US 12,674,528 B2Jfe Steel Corporation
- Fitting for creating a fluid-tight screw connection9 Jun 2026US 12,650,184 B2Viega Technology GmbH & Co. KG
- Swinging door check valve21 Apr 2026US 12,607,270 B2Improved Racing Products, LLC
- Oil-well metal pipe27 Aug 2026US 2026/0251256 A1Nippon Steel 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
- Oil-well metal pipe9 Jul 2026US 2026/0193943 A1Nippon Steel Corporation
- Tube connector and tube with connector21 May 2026US 2026/0139769 A1Hirakawa Hewtech Corporation
- Valve connection adapter and valve unit21 May 2026US 2026/0139783 A1Buerkert Werke GmbH
Most cited
By later US patents
- Plastic needleless valve housing for standard male luer locks272US 5,441,487 AMedex, Inc. · 1995
- Pipe connection170US 4,253,687 AWhiting Oilfield Rental, Inc. · 1981
- Drill rod for percussion drilling159US 5,064,004 ASandvik AB · 1991
- FRP pipe with threaded ends140US 4,893,658 ANitto Electric Industrial Co., Ltd. · 1990
- Tubular connection132US 3,989,284 AHydril Company · 1976