F16C 19/166
Four-point-contact ball bearings
Official title: {Four-point-contact ball bearings}
F16C19/166 (Four-point-contact ball bearings) appears on 148 US grants and 136 published applications in this corpus.
Search patents in F16C- Granted patents
- 148
- Published applications
- 136
- Assignees
- 103
- Inventors
- 375
- Latest grant
- 28 Apr 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 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 8 | 1 |
| 2002 | 0 | 3 |
| 2003 | 5 | 4 |
| 2004 | 3 | 3 |
| 2005 | 4 | 4 |
| 2006 | 0 | 5 |
| 2007 | 1 | 2 |
| 2008 | 4 | 2 |
| 2009 | 2 | 5 |
| 2010 | 0 | 3 |
| 2011 | 1 | 6 |
| 2012 | 6 | 3 |
| 2013 | 2 | 6 |
| 2014 | 5 | 6 |
| 2015 | 4 | 7 |
| 2016 | 3 | 16 |
| 2017 | 6 | 3 |
| 2018 | 5 | 9 |
| 2019 | 3 | 8 |
| 2020 | 11 | 7 |
| 2021 | 10 | 10 |
| 2022 | 6 | 7 |
| 2023 | 5 | 5 |
| 2024 | 4 | 5 |
| 2025 | 3 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fan bearing support system for gas turbine engine with power gearbox28 Apr 2026US 12,612,921 B1General Electric Company
- Roller bearing for supporting a probing unit of a reality capture device with compensation for increase in preload30 Sep 2025US 12,429,093 B2Leica Geosystems AG
- Bearing wear monitoring device for circular clarifier drive5 Aug 2025US 12,378,993 B2Evoqua Water Technologies LLC
- Bearing cup set for a steering column and steering column having a bearing cup set11 Feb 2025US 12,222,004 B2thyssenkrupp AG
- Bearing assembly20 Aug 2024US 12,066,057 B2Segos Co., Ltd.
- Wave generator9 Jul 2026US 2026/0194132 A1
- Sensor Bearing Assembly and Associated Sensing Support and Pulley Unit5 Feb 2026US 2026/0036174 A1Aktiebolaget Skf
- Thin section bearing and computer tomograph having a thin section bearing of this type29 Jan 2026US 2026/0029021 A1Schaeffler Technologies AG & Co. KG
- Electric motor, associated drive unit and associated electric vehicle22 Jan 2026US 2026/0025037 A1Volvo Truck Corporation
- Bearing with retainer18 Dec 2025US 2025/0382992 A1Nachi-Fujikoshi Corp.
Most cited
By later US patents
- Bearing assembly with dynamic drainage supplied with lubricant48US 5,749,660 ASociete Nationale d'Etude de Contruction de Moteurs d'Aviation "Snecma" · 1998
- Rolling bearing45US 5,071,264 AFranke & Heydrich KG · 1991
- Plastic separator cage for ball bearings43US 5,749,661 AFAG OEM und Handel AG · 1998
- Thrust and radial bearing assembly38US 4,511,193 ASmith International, Inc. · 1985
- Pre-stressed ball bearing and method and tool for its manufacture37US 4,718,781 ANadella · 1988