F16C 33/106
Details of distribution or circulation inside the bearings
Official title: {Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid}
F16C33/106 (Details of distribution or circulation inside the bearings) appears on 2,253 US grants and 1,935 published applications in this corpus.
Search patents in F16C- Granted patents
- 2,253
- Published applications
- 1,935
- Assignees
- 682
- Inventors
- 3,334
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 6 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 14 | 0 |
| 1981 | 13 | 0 |
| 1982 | 14 | 0 |
| 1983 | 8 | 0 |
| 1984 | 15 | 0 |
| 1985 | 12 | 0 |
| 1986 | 14 | 0 |
| 1987 | 14 | 0 |
| 1988 | 24 | 0 |
| 1989 | 20 | 0 |
| 1990 | 12 | 0 |
| 1991 | 22 | 0 |
| 1992 | 17 | 0 |
| 1993 | 21 | 0 |
| 1994 | 31 | 0 |
| 1995 | 23 | 0 |
| 1996 | 33 | 0 |
| 1997 | 38 | 0 |
| 1998 | 65 | 0 |
| 1999 | 67 | 0 |
| 2000 | 65 | 0 |
| 2001 | 57 | 22 |
| 2002 | 74 | 65 |
| 2003 | 56 | 88 |
| 2004 | 60 | 109 |
| 2005 | 76 | 95 |
| 2006 | 65 | 129 |
| 2007 | 63 | 111 |
| 2008 | 58 | 97 |
| 2009 | 59 | 88 |
| 2010 | 61 | 67 |
| 2011 | 46 | 55 |
| 2012 | 71 | 68 |
| 2013 | 67 | 100 |
| 2014 | 104 | 108 |
| 2015 | 78 | 93 |
| 2016 | 71 | 83 |
| 2017 | 95 | 61 |
| 2018 | 71 | 92 |
| 2019 | 81 | 79 |
| 2020 | 77 | 72 |
| 2021 | 69 | 51 |
| 2022 | 45 | 66 |
| 2023 | 49 | 42 |
| 2024 | 43 | 36 |
| 2025 | 45 | 39 |
| 2026 | 26 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16C 33/107Grooves for generating pressure1,103
- F16C 33/1065Grooves on a bearing surface for distributing or collecting the liquid617
- F16C 33/1075Wedges319
- F16C 33/1085Channels or passages to recirculate the liquid in the bearing288
- F16C 33/108With a plurality of elements forming the bearing surfaces204
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Most cited
By later US patents
- Axial flow blood pump with hydrodynamically suspended rotor386US 5,211,546 ANu-Tech Industries, Inc. · 1993
- Catheter pump211US 8,597,170 B2The Penn State Research Foundation · 2013
- Polycrystalline diamond bearing system for a roller cone rock bit202US 4,802,539 ASmith International, Inc. · 1989
- Thrust-bearing assembly150US 7,552,782 B1US Synthetic Corporation · 2009
- Pump with shaftless impeller142US 4,806,080 AEbara Corporation · 1989