F16L 15/04
Screw-threaded joints: with additional sealings
Official title: with additional sealings
F16L15/04 (Screw-threaded joints: with additional sealings) appears on 275 US grants and 310 published applications in this corpus.
Search patents in F16L- Granted patents
- 275
- Published applications
- 310
- Assignees
- 188
- Inventors
- 640
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 5 |
| 2008 | 2 | 3 |
| 2009 | 1 | 6 |
| 2010 | 3 | 8 |
| 2011 | 2 | 8 |
| 2012 | 5 | 6 |
| 2013 | 5 | 12 |
| 2014 | 7 | 4 |
| 2015 | 6 | 33 |
| 2016 | 9 | 24 |
| 2017 | 22 | 26 |
| 2018 | 11 | 20 |
| 2019 | 23 | 29 |
| 2020 | 25 | 21 |
| 2021 | 18 | 18 |
| 2022 | 20 | 15 |
| 2023 | 16 | 19 |
| 2024 | 15 | 15 |
| 2025 | 20 | 14 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Replaceable fluid line termination fittings19 May 2026US 12,631,278 B2Hamilton Sundstrand Corporation
- Connecting assembly for a gas cooking appliance12 May 2026US 12,624,777 B2Copreci, S. Coop.
- Polyurethane pipe thread tape assembly12 May 2026US 12,624,778 B1Fluoramics Inc.
- Threaded connection21 Apr 2026US 12,607,280 B2Saudi Arabian Oil Company
- Agent for forming solid lubricating coating film, oil country tubular goods, and threaded joint for oil country tubular goods17 Feb 2026US 12,553,005 B2Jfe Steel Corporation
- Oil-well metal pipe27 Aug 2026US 2026/0251256 A1Nippon Steel Corporation
- Spring loaded fitting for connecting and disconnecting capillaries13 Aug 2026US 2026/0235234 A1Agilent Technologies, Inc.
- Threaded connection30 Jul 2026US 2026/0218574 A1Nippon Steel Corporation
- Connector module for fluidly connecting a fluid system to a function module, assembly comprising a connector module and method for fluidly connecting a fluid system to a connector module30 Jul 2026US 2026/0218822 A1
- Oil-well metal pipe23 Jul 2026US 2026/0210478 A1
Most cited
By later US patents
- Pipe joint seal rings143US 4,711,474 AAtlantic Richfield Company · 1987
- Threaded connection for enhanced fatigue resistance137US 5,931,511 AGrant Prideco, L.P. · 1999
- Dual gasket lined pipe connector113US 5,405,171 AUnion Oil Company of California · 1995
- Pipe joint107US 4,473,245 AOtis Engineering Corporation · 1984
- Use of electroless metal coating to prevent galling of threaded tubular joints99US 4,758,025 AMobil Oil Corporation · 1988