F16C 17/026
With helical grooves in the bearing surface to generate hydrodynamic pressure
Official title: {with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves}
F16C17/026 (With helical grooves in the bearing surface to generate hydrodynamic pressure) appears on 458 US grants and 369 published applications in this corpus.
Search patents in F16C- Granted patents
- 458
- Published applications
- 369
- Assignees
- 166
- Inventors
- 819
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 20 | 0 |
| 1999 | 22 | 0 |
| 2000 | 19 | 0 |
| 2001 | 21 | 7 |
| 2002 | 18 | 23 |
| 2003 | 17 | 21 |
| 2004 | 21 | 31 |
| 2005 | 18 | 34 |
| 2006 | 18 | 32 |
| 2007 | 20 | 29 |
| 2008 | 14 | 20 |
| 2009 | 16 | 9 |
| 2010 | 15 | 12 |
| 2011 | 6 | 11 |
| 2012 | 11 | 9 |
| 2013 | 12 | 16 |
| 2014 | 7 | 9 |
| 2015 | 8 | 6 |
| 2016 | 4 | 4 |
| 2017 | 5 | 10 |
| 2018 | 8 | 10 |
| 2019 | 14 | 12 |
| 2020 | 6 | 10 |
| 2021 | 11 | 4 |
| 2022 | 2 | 11 |
| 2023 | 9 | 17 |
| 2024 | 13 | 11 |
| 2025 | 6 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cooling of a compressor shaft gas bearing1 Sep 2026US 12,723,592 B2Trane International Inc.
- Sliding parts21 Jul 2026US 12,687,195 B2Eagle Industry Co., Ltd.
- Sliding bearing unit and rotating anode X-ray tube7 Jul 2026US 12,676,277 B2Canon Electron Tubes & Devices Co., Ltd.
- Gas bearing device and turbocharger24 Mar 2026US 12,584,514 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Sliding components18 Nov 2025US 12,473,946 B2Eagle Industry Co., Ltd.
- Edm leading edge groove bearing30 Jul 2026US 2026/0218718 A1
- Bearings having asymmetrical recesses14 May 2026US 2026/0132817 A1Schlumberger Technology Corporation
- Bearings with grooves and methods of producing the same15 Jan 2026US 2026/0016046 A1General Electric Company
- Sliding member18 Dec 2025US 2025/0382990 A1Daido Metal Company Ltd.
- Sliding component20 Nov 2025US 2025/0354608 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Spindle motor having air dynamic pressure bearing and rotating device having the spindle motor as driving source81US 6,127,756 ASeiko Instruments Inc. · 2000
- Optical deflector with a pneumatic and a magnetic bearing60US 4,726,640 ARicoh Company, Ltd. · 1988
- Spindle motor57US 6,271,612 B1Nsk Ltd. · 2001
- Optical deflector of air bearing type54US 5,069,515 ARicoh Company, Ltd. · 1991
- Motor with dynamic-pressure type bearing device54US 5,357,163 AMatsushita Electric Industrial Co., Ltd. · 1994