F16C 17/102
With grooves in the bearing surface to generate hydrodynamic pressure
Official title: {with grooves in the bearing surface to generate hydrodynamic pressure}
F16C17/102 (With grooves in the bearing surface to generate hydrodynamic pressure) appears on 1,116 US grants and 1,140 published applications in this corpus.
Search patents in F16C- Granted patents
- 1,116
- Published applications
- 1,140
- Assignees
- 278
- Inventors
- 1,430
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 16 | 0 |
| 1997 | 16 | 0 |
| 1998 | 22 | 0 |
| 1999 | 34 | 0 |
| 2000 | 30 | 0 |
| 2001 | 28 | 9 |
| 2002 | 36 | 40 |
| 2003 | 28 | 50 |
| 2004 | 32 | 62 |
| 2005 | 40 | 64 |
| 2006 | 51 | 79 |
| 2007 | 40 | 76 |
| 2008 | 36 | 63 |
| 2009 | 46 | 58 |
| 2010 | 41 | 47 |
| 2011 | 28 | 44 |
| 2012 | 48 | 57 |
| 2013 | 71 | 97 |
| 2014 | 73 | 82 |
| 2015 | 56 | 57 |
| 2016 | 34 | 27 |
| 2017 | 26 | 19 |
| 2018 | 23 | 31 |
| 2019 | 32 | 25 |
| 2020 | 33 | 31 |
| 2021 | 24 | 28 |
| 2022 | 12 | 27 |
| 2023 | 33 | 28 |
| 2024 | 22 | 11 |
| 2025 | 19 | 24 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid dynamic bearing system and spindle motor having such a bearing system1 Sep 2026US 12,723,620 B2MINEBEA MITSUMI Inc.
- Strut bearing assembly for vehicle4 Aug 2026US 12,698,798 B2Iljin Co., Ltd.
- Sliding bearing unit and rotating anode X-ray tube7 Jul 2026US 12,676,277 B2Canon Electron Tubes & Devices Co., Ltd.
- Spherical fluid-film bearing23 Jun 2026US 12,663,040 B2Kingsbury, Inc.
- Methods of manufacturing combination thrust-bearing and radial bearing apparatuses16 Jun 2026US 12,655,869 B2US Synthetic Corporation
- Scroll compressor11 Jun 2026US 2026/0160250 A1Kabushiki Kaisha Toyota Jidoshokki
- Device for generating a variable angular momentum, particularly for the attitude control of spacecraft9 Apr 2026US 2026/0097863 A1Universität Stuttgart
- Rotating anode x-ray tube12 Mar 2026US 2026/0074137 A1Canon Electron Tubes & Devices Co., Ltd.
- Wear resistant bearing system5 Mar 2026US 2026/0063170 A1Roller Bearing Company of America, Inc.
- Fluid dynamic pressure bearing lubricant oil composition, fluid dynamic pressure bearing, and fluid dynamic pressure bearing apparatus27 Nov 2025US 2025/0361908 A1Nok Klueber Co., Ltd.
Most cited
By later US patents
- Polycrystalline diamond compacts, method of fabricating same, and various applications99US 8,297,382 B2US Synthetic Corporation · 2012
- Spindle motor having air dynamic pressure bearing and rotating device having the spindle motor as driving source81US 6,127,756 ASeiko Instruments Inc. · 2000
- Hydrodynamic bearing having inverted surface tension seals78US 5,533,811 AQuantum Corporation · 1996
- Fluid bearing with asymmetrical groove pattern70US 5,427,456 ASynektron Corporation · 1995
- Hydrodynamic bearing with controlled lubricant pressure distribution68US 5,516,212 AWestern Digital Corporation · 1996