F16L 15/004
With axial sealings having at least one plastically deformable sealing surface
Official title: {with axial sealings having at least one plastically deformable sealing surface (with sealing rings F16L15/003)}
F16L15/004 (With axial sealings having at least one plastically deformable sealing surface) appears on 296 US grants and 240 published applications in this corpus.
Search patents in F16L- Granted patents
- 296
- Published applications
- 240
- Assignees
- 104
- Inventors
- 438
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 0 |
| 2002 | 6 | 8 |
| 2003 | 11 | 17 |
| 2004 | 10 | 18 |
| 2005 | 10 | 7 |
| 2006 | 3 | 13 |
| 2007 | 2 | 16 |
| 2008 | 5 | 9 |
| 2009 | 15 | 4 |
| 2010 | 10 | 12 |
| 2011 | 11 | 9 |
| 2012 | 7 | 11 |
| 2013 | 2 | 9 |
| 2014 | 7 | 11 |
| 2015 | 11 | 13 |
| 2016 | 8 | 10 |
| 2017 | 15 | 7 |
| 2018 | 8 | 10 |
| 2019 | 14 | 9 |
| 2020 | 9 | 16 |
| 2021 | 7 | 8 |
| 2022 | 9 | 7 |
| 2023 | 13 | 6 |
| 2024 | 8 | 5 |
| 2025 | 5 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drill pipe5 Aug 2025US 12,379,052 B2Black Diamond Oilfield Rentals LLC
- Wedge thread connection for tubular goods22 Jul 2025US 12,366,123 B2Hydril Company
- Seal system for annular components17 Jun 2025US 12,331,852 B2Schlumberger Technology Corporation
- Drill pipe and optimization thereof3 Jun 2025US 12,320,205 B2Black Diamond Oilfield Rentals LLC
- Connection device for tubular elements27 May 2025US 12,312,874 B2Nippon Steel Corporation
- Oil-well metal pipe27 Aug 2026US 2026/0251256 A1Nippon Steel Corporation
- Threaded connection30 Jul 2026US 2026/0218574 A1Nippon Steel Corporation
- Oil-well metal pipe9 Jul 2026US 2026/0193943 A1Nippon Steel Corporation
- Wedge thread connection for tubular goods13 Nov 2025US 2025/0347179 A1Hydril Company
- Coupling Assembly and Fluid Line Connection3 Apr 2025US 2025/0109809 A1Siemens Healthcare GmbH
Most cited
By later US patents
- Thread form with multifacited flanks177US 6,254,146 B1John Gandy Corporation · 2001
- Liner connection160US 4,707,001 ASeal Tech Corp. · 1987
- Threaded connector155US 4,373,754 AHydril Company · 1983
- Tubular connection having a chevron wedge thread152US 4,600,224 AInterlock Technologies Corporation · 1986
- Fatigue-resistant threaded connector139US 4,892,337 AExxon Production Research Company · 1990