F16L 17/08
Metal sealing rings
F16L17/08 (Metal sealing rings) appears on 49 US grants and 48 published applications in this corpus.
Search patents in F16L- Granted patents
- 49
- Published applications
- 48
- Assignees
- 38
- Inventors
- 107
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 4 |
| 2017 | 0 | 2 |
| 2018 | 5 | 8 |
| 2019 | 4 | 4 |
| 2020 | 5 | 5 |
| 2021 | 3 | 1 |
| 2022 | 4 | 1 |
| 2023 | 4 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Connector system for use in ultra-high vacuum systems2 Jun 2026US 12,644,557 B2Atlas Bimetals Labs, Inc.
- Ring seal compatible with multiple port types5 May 2026US 12,618,471 B2Microflex Technologies LLC
- Undersea hydraulic coupling with multiple pressure-energized metal seals5 Mar 2024US 11,920,704 B2National Coupling Company, Inc.
- Clamped saddle for directional hot-tapping tubulars10 Oct 2023US 11,781,694 B2Saudi Arabian Oil Company
- Dual barrier seal25 Apr 2023US 11,635,142 B2Freudenberg Oil & Gas, LLC
- Gap limiting coupling26 Mar 2026US 2026/0085774 A1Victaulic Company
- Scraper seal19 Mar 2026US 2026/0078824 A1Freudenberg Flow Technologies LLC
- System and method for sealing a fluid pathway25 Dec 2025US 2025/0389354 A1
- Ring seal compatible with multiple port types2 May 2024US 2024/0141994 A1Microflex Technologies LLC
- Connector system for use in ultra-high vacuum systems15 Feb 2024US 2024/0052965 A1Atlas Bimetals Labs, Inc.
Most cited
By later US patents
- Ring seal41US 6,357,760 B12002
- Pressure-energized two-element seal35US 5,158,305 AEG&G Pressure Science, Inc. · 1992
- High-pressure fire-resistant metal seal30US 4,471,965 AFMC Corporation · 1984
- Internal pressure loaded V-seal connector28US 5,015,016 ANational Coupling Company, Inc. · 1991
- Integrally redundant seal27US 5,058,906 AVetco Gray Inc. · 1991