F16L 17/035
The sealing rings having two lips parallel to each other
Official title: the sealing rings having two lips parallel to each other
F16L17/035 (The sealing rings having two lips parallel to each other) appears on 124 US grants and 75 published applications in this corpus.
Search patents in F16L- Granted patents
- 124
- Published applications
- 75
- Assignees
- 86
- Inventors
- 191
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 5 |
| 2009 | 0 | 1 |
| 2010 | 2 | 4 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 7 |
| 2015 | 3 | 6 |
| 2016 | 6 | 1 |
| 2017 | 3 | 7 |
| 2018 | 3 | 8 |
| 2019 | 8 | 7 |
| 2020 | 5 | 3 |
| 2021 | 6 | 2 |
| 2022 | 4 | 4 |
| 2023 | 0 | 1 |
| 2024 | 5 | 0 |
| 2025 | 2 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Under-balanced seal ring24 Mar 2026US 12,584,554 B2LTS Energy, Inc.
- Fitting24 Feb 2026US 12,560,262 B2Mueller International, LLC
- Toothed gripper with variable height teeth10 Feb 2026US 12,546,416 B1Mueller International, LLC
- Receptacle for hydrogen charging of fuel cell vehicle13 Jan 2026US 12,523,340 B2Hyundai Motor Company
- Seal member and pipe joint using the seal member30 Dec 2025US 12,510,192 B2Kubota Corporation
- Under-Balanced Seal Ring2 Jul 2026US 2026/0185609 A1LTS Energy, Inc.
- Toothed gripper with variable height teeth12 Feb 2026US 2026/0043500 A1Mueller International, LLC
- Fitting12 Feb 2026US 2026/0043505 A1Mueller International, LLC
- Seal member and pipe joint using the seal member3 Jul 2025US 2025/0216008 A1Kubota Corporation
- Receptacle for hydrogen charging of fuel cell vehicle24 Apr 2025US 2025/0129887 A1Huyndai Motor Company
Most cited
By later US patents
- Medical device with high pressure quick disconnect handpiece77US 6,923,792 B2HydroCision, Inc. · 2005
- Pipe gasket72US 4,834,398 AS & B Technical Products, Inc. · 1989
- Metal-to-metal sealing pipe swivel joint63US 5,044,672 AFMC Corporation · 1991
- Medical device with high pressure quick disconnect handpiece63US 7,951,107 B2HydroCision, Inc. · 2011
- Resilient sealing ring60US 4,182,519 A1980