F16C 33/1065
Grooves on a bearing surface for distributing or collecting the liquid
Official title: {Grooves on a bearing surface for distributing or collecting the liquid}
F16C33/1065 (Grooves on a bearing surface for distributing or collecting the liquid) appears on 617 US grants and 585 published applications in this corpus.
Search patents in F16C- Granted patents
- 617
- Published applications
- 585
- Assignees
- 309
- Inventors
- 1,247
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 3 |
| 2002 | 11 | 9 |
| 2003 | 12 | 11 |
| 2004 | 11 | 15 |
| 2005 | 12 | 20 |
| 2006 | 7 | 16 |
| 2007 | 13 | 11 |
| 2008 | 8 | 12 |
| 2009 | 5 | 16 |
| 2010 | 7 | 6 |
| 2011 | 6 | 15 |
| 2012 | 13 | 18 |
| 2013 | 13 | 30 |
| 2014 | 31 | 38 |
| 2015 | 32 | 40 |
| 2016 | 27 | 34 |
| 2017 | 34 | 26 |
| 2018 | 36 | 55 |
| 2019 | 32 | 38 |
| 2020 | 48 | 32 |
| 2021 | 29 | 30 |
| 2022 | 25 | 36 |
| 2023 | 29 | 19 |
| 2024 | 22 | 24 |
| 2025 | 24 | 20 |
| 2026 | 14 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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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
- Pump with shaftless impeller142US 4,806,080 AEbara Corporation · 1989
- Scroll-type apparatus with hydrodynamic thrust bearing102US 4,065,279 AArthur D. Little, Inc. · 1977
- Face seal with angled grooves and shallow annular groove84US 5,556,111 ADurametallic Corporation · 1996
- Plain bearing assembly79US 5,885,006 APlastic Bearings & Housings Australasia PTY. Ltd. · 1999