F16C 17/045
With grooves in the bearing surface to generate hydrodynamic pressure
Official title: {with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings}
F16C17/045 (With grooves in the bearing surface to generate hydrodynamic pressure) appears on 434 US grants and 401 published applications in this corpus.
Search patents in F16C- Granted patents
- 434
- Published applications
- 401
- Assignees
- 158
- Inventors
- 695
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 7 |
| 2002 | 12 | 9 |
| 2003 | 7 | 19 |
| 2004 | 10 | 23 |
| 2005 | 10 | 12 |
| 2006 | 10 | 21 |
| 2007 | 18 | 17 |
| 2008 | 7 | 17 |
| 2009 | 9 | 7 |
| 2010 | 11 | 8 |
| 2011 | 7 | 4 |
| 2012 | 9 | 11 |
| 2013 | 7 | 7 |
| 2014 | 10 | 16 |
| 2015 | 10 | 18 |
| 2016 | 21 | 9 |
| 2017 | 14 | 20 |
| 2018 | 17 | 31 |
| 2019 | 18 | 20 |
| 2020 | 20 | 19 |
| 2021 | 21 | 13 |
| 2022 | 15 | 24 |
| 2023 | 14 | 27 |
| 2024 | 18 | 15 |
| 2025 | 26 | 13 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sliding component15 Sep 2026US 12,736,138 B2Eagle Industry Co., Ltd.
- Fluid dynamic bearing system and spindle motor having such a bearing system1 Sep 2026US 12,723,620 B2MINEBEA MITSUMI Inc.
- Sliding component1 Sep 2026US 12,723,656 B2Eagle Industry Co., Ltd.
- Sliding component25 Aug 2026US 12,716,502 B2Eagle Industry Co., Ltd.
- Sliding components11 Aug 2026US 12,704,151 B2Eagle Industry Co., Ltd.
- Sliding components17 Sep 2026US 2026/0276035 A1Eagle Industry Co., Ltd.
- Sliding component27 Aug 2026US 2026/0251178 A1Eagle Industry Co., Ltd.
- Blood pump and method of manufacturing a blood pump housing6 Aug 2026US 2026/0224884 A1
- Sliding components30 Jul 2026US 2026/0218746 A1Eagle Industry Co., Ltd.
- Sliding component23 Jul 2026US 2026/0210399 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Pump with shaftless impeller142US 4,806,080 AEbara Corporation · 1989
- Scroll-type apparatus with hydrodynamic thrust bearing102US 4,065,279 AArthur D. Little, Inc. · 1977
- Face seal with angled grooves and shallow annular groove84US 5,556,111 ADurametallic Corporation · 1996
- Spindle motor having air dynamic pressure bearing and rotating device having the spindle motor as driving source81US 6,127,756 ASeiko Instruments Inc. · 2000
- Face seal with double spiral grooves74US 5,201,531 AJohn Crane Inc. · 1993