F16C 19/54
Systems consisting of a plurality of bearings with rolling friction
Official title: Systems consisting of a plurality of bearings with rolling friction (spindle bearings F16C35/08)
F16C19/54 (Systems consisting of a plurality of bearings with rolling friction) appears on 2,081 US grants and 1,756 published applications in this corpus.
Search patents in F16C- Granted patents
- 2,081
- Published applications
- 1,756
- Assignees
- 900
- Inventors
- 3,950
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 19 | 0 |
| 1978 | 13 | 0 |
| 1979 | 13 | 0 |
| 1980 | 19 | 0 |
| 1981 | 19 | 0 |
| 1982 | 16 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 30 | 0 |
| 1986 | 21 | 0 |
| 1987 | 21 | 0 |
| 1988 | 24 | 0 |
| 1989 | 25 | 0 |
| 1990 | 33 | 0 |
| 1991 | 37 | 0 |
| 1992 | 22 | 0 |
| 1993 | 35 | 0 |
| 1994 | 19 | 0 |
| 1995 | 21 | 0 |
| 1996 | 32 | 0 |
| 1997 | 24 | 0 |
| 1998 | 41 | 0 |
| 1999 | 40 | 0 |
| 2000 | 40 | 0 |
| 2001 | 42 | 23 |
| 2002 | 34 | 47 |
| 2003 | 46 | 58 |
| 2004 | 51 | 61 |
| 2005 | 36 | 51 |
| 2006 | 31 | 36 |
| 2007 | 23 | 56 |
| 2008 | 23 | 58 |
| 2009 | 34 | 60 |
| 2010 | 37 | 58 |
| 2011 | 29 | 60 |
| 2012 | 39 | 49 |
| 2013 | 55 | 61 |
| 2014 | 66 | 99 |
| 2015 | 80 | 94 |
| 2016 | 70 | 129 |
| 2017 | 95 | 115 |
| 2018 | 103 | 110 |
| 2019 | 120 | 83 |
| 2020 | 91 | 85 |
| 2021 | 83 | 87 |
| 2022 | 86 | 74 |
| 2023 | 62 | 78 |
| 2024 | 69 | 53 |
| 2025 | 37 | 32 |
| 2026 | 32 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16C 19/546Systems with spaced apart rolling bearings including at least one angular contact788
- F16C 19/541Systems consisting of juxtaposed rolling bearings including at least one angular contact293
- F16C 19/56In which the rolling bodies of one bearing differ in diameter from166
- F16C 19/55With intermediate floating or independently-driven rings rotating at reduced speed or with148
- F16C 19/545Systems comprising at least one rolling bearing for radial load in combination112
Recent patents
- Bearing assembly for driveshafts of draglines1 Sep 2026US 12,723,365 B2Caterpillar Global Mining LLC
- Drive transmission device and construction machine25 Aug 2026US 12,716,471 B2Nabtesco Corporation
- Bearing arrangement for a rotating component of a wind turbine11 Aug 2026US 12,704,150 B2Nordex Energy GmbH
- Bearing assembly with flow restrictor for a dual rod directional drilling apparatus and method of use28 Jul 2026US 12,692,750 B2Hunting Energy Services, Inc.
- Bearing assembly14 Jul 2026US 12,680,574 B2Aktiebolaget Skf
- Systems and methods for preloading a bearing and aligning a lock nut24 Sep 2026US 2026/0285085 A1Temper Axle Products Corporation
- Rotational support device for flying object and manufacturing method thereof17 Sep 2026US 2026/0274463 A1Nsk Ltd.
- Lubrication insert for lubricating spindle bearings10 Sep 2026US 2026/0266335 A1United Machining Mill SA
- Power assembly and method for assembling power assembly10 Sep 2026US 2026/0269677 A1Chery Automobile Co., Ltd.
- Combination bearing assembly with load separation27 Aug 2026US 2026/0251175 A1
Most cited
By later US patents
- Locking fastener assembly for threaded joint145US 4,812,094 AMacLean-Fogg Company · 1989
- Toroidal type continuously variable transmission138US 6,113,513 ANsk Ltd. · 2000
- Continuously variable transmission104US 8,888,643 B2Fallbrook Intellectual Property Company LLC · 2014
- Retainer for bearing lock nut87US 4,210,372 ACaterpillar Tractor Co. · 1980
- Bearing setting procedure and apparatus82US 5,535,517 ATemper Corporation · 1996