F16C 33/74
Of sliding-contact bearings
Official title: of sliding-contact bearings
F16C33/74 (Of sliding-contact bearings) appears on 1,054 US grants and 982 published applications in this corpus.
Search patents in F16C- Granted patents
- 1,054
- Published applications
- 982
- Assignees
- 416
- Inventors
- 1,712
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 12 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 12 | 0 |
| 1987 | 10 | 0 |
| 1988 | 11 | 0 |
| 1989 | 15 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 17 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 22 | 0 |
| 2001 | 19 | 5 |
| 2002 | 13 | 17 |
| 2003 | 20 | 23 |
| 2004 | 19 | 39 |
| 2005 | 17 | 32 |
| 2006 | 33 | 45 |
| 2007 | 25 | 34 |
| 2008 | 16 | 38 |
| 2009 | 27 | 43 |
| 2010 | 25 | 39 |
| 2011 | 24 | 30 |
| 2012 | 33 | 45 |
| 2013 | 45 | 72 |
| 2014 | 64 | 83 |
| 2015 | 51 | 64 |
| 2016 | 48 | 48 |
| 2017 | 31 | 28 |
| 2018 | 46 | 47 |
| 2019 | 39 | 36 |
| 2020 | 36 | 35 |
| 2021 | 34 | 39 |
| 2022 | 41 | 54 |
| 2023 | 35 | 33 |
| 2024 | 32 | 22 |
| 2025 | 29 | 22 |
| 2026 | 16 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sliding component1 Sep 2026US 12,723,656 B2Eagle Industry Co., Ltd.
- Coupling bushing with smooth-running seal25 Aug 2026US 12,716,455 B2Ti Automotive (Fuldabrueck) GmbH
- Sliding components11 Aug 2026US 12,704,151 B2Eagle Industry Co., Ltd.
- Steering device of vehicle4 Aug 2026US 12,698,027 B2Hl Mando Corporation
- Sleeve bearing having a flared end7 Jul 2026US 12,674,486 B2Caterpillar Inc.
- Sliding component27 Aug 2026US 2026/0251178 A1Eagle Industry Co., Ltd.
- Sliding component23 Jul 2026US 2026/0210399 A1Eagle Industry Co., Ltd.
- Sliding components16 Jul 2026US 2026/0201951 A1Eagle Industry Co., Ltd.
- Sliding components16 Jul 2026US 2026/0201952 A1Eagle Industry Co., Ltd.
- Low-maintenance seal assembly for a vertically aligned industrial gearbox11 Jun 2026US 2026/0160324 A1Flender GmbH
Most cited
By later US patents
- Gas bearings for use with vacuum chambers and their application in lithographic projection apparatuses483US 6,603,130 B1ASML Netherlands B. V. · 2003
- Hydrodynamic lubricant seal for drill bits94US 4,610,319 A1986
- Face seal with angled grooves and shallow annular groove84US 5,556,111 ADurametallic Corporation · 1996
- Hydrodynamic bearing having inverted surface tension seals78US 5,533,811 AQuantum Corporation · 1996
- Face seal with double spiral grooves74US 5,201,531 AJohn Crane Inc. · 1993