F16J 15/3416
With at least one continuous groove
Official title: {with at least one continuous groove}
F16J15/3416 (With at least one continuous groove) appears on 75 US grants and 81 published applications in this corpus.
Search patents in F16J- Granted patents
- 75
- Published applications
- 81
- Assignees
- 36
- Inventors
- 133
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 3 | 3 |
| 2017 | 4 | 7 |
| 2018 | 3 | 7 |
| 2019 | 2 | 5 |
| 2020 | 3 | 4 |
| 2021 | 4 | 9 |
| 2022 | 8 | 12 |
| 2023 | 5 | 8 |
| 2024 | 13 | 8 |
| 2025 | 10 | 3 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sliding components11 Aug 2026US 12,704,151 B2Eagle Industry Co., Ltd.
- Sliding component17 Mar 2026US 12,578,019 B2Eagle Industry Co., Ltd.
- Sliding components24 Feb 2026US 12,560,239 B2Eagle Industry Co., Ltd.
- Sliding component6 Jan 2026US 12,516,737 B2Eagle Industry Co., Ltd.
- Sliding component30 Dec 2025US 12,510,162 B2Eagle Industry Co., Ltd.
- Sliding component27 Aug 2026US 2026/0251178 A1Eagle Industry Co., Ltd.
- Mechanical seal6 Aug 2026US 2026/0226985 A1Eagle Industry Co., Ltd.
- Sliding components30 Jul 2026US 2026/0218746 A1Eagle Industry Co., Ltd.
- Sliding components16 Jul 2026US 2026/0201951 A1Eagle Industry Co., Ltd.
- Sliding components16 Jul 2026US 2026/0201952 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Method and apparatus for sterilization of a centrifugal pump126US 4,643,641 AMICI Limited Partnership IV · 1987
- Hydrodynamic face seal with grooved sealing dam for zero-leakage106US 6,446,976 B1Flowserve Management Company · 2002
- Face seal with double spiral grooves74US 5,201,531 AJohn Crane Inc. · 1993
- Sliding parts48US 9,353,867 B2Eagle Industry Co., Ltd. · 2016
- Mechanical seal45US 10,054,230 B2Eagles Industry Co., Ltd. · 2018