F16C 33/122
Multilayer structures of sleeves, washers or liners
Official title: {Multilayer structures of sleeves, washers or liners}
F16C33/122 (Multilayer structures of sleeves, washers or liners) appears on 378 US grants and 427 published applications in this corpus.
Search patents in F16C- Granted patents
- 378
- Published applications
- 427
- Assignees
- 190
- Inventors
- 926
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 2 |
| 2002 | 5 | 8 |
| 2003 | 10 | 5 |
| 2004 | 2 | 4 |
| 2005 | 4 | 4 |
| 2006 | 2 | 6 |
| 2007 | 5 | 6 |
| 2008 | 2 | 3 |
| 2009 | 3 | 15 |
| 2010 | 4 | 9 |
| 2011 | 6 | 12 |
| 2012 | 6 | 17 |
| 2013 | 6 | 16 |
| 2014 | 11 | 14 |
| 2015 | 13 | 32 |
| 2016 | 17 | 22 |
| 2017 | 20 | 32 |
| 2018 | 12 | 33 |
| 2019 | 25 | 29 |
| 2020 | 22 | 39 |
| 2021 | 33 | 28 |
| 2022 | 24 | 30 |
| 2023 | 23 | 17 |
| 2024 | 15 | 14 |
| 2025 | 11 | 16 |
| 2026 | 14 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sliding member29 Sep 2026US 12,747,753 B2Daido Metal Company Ltd.
- Bushing for claw machine crane29 Sep 2026US 12,747,754 B2Paokai Electronic Enterprise Co., Ltd.
- Electric power steering gear with an anti-rotate feature18 Aug 2026US 12,709,321 B2ZF CV Systems Global GmbH
- Thermally adaptive bump foil of a gas foil bearing23 Jun 2026US 12,663,039 B2Hamilton Sundstrand Corporation
- Thermally adaptive top foil of a gas foil bearing16 Jun 2026US 12,655,867 B2Hamilton Sundstrand Corporation
- Sliding member20 Aug 2026US 2026/0243298 A1Daido Metal Company Ltd.
- Bush bearing having optimized intermediate plates23 Jul 2026US 2026/0210400 A1Vibracoustic SE
- Bismuth-based overlay layer for sliding member23 Jul 2026US 2026/0210401 A1Daido Metal Company Ltd.
- Sliding member and internal-combustion engine equipped with sliding member2 Jul 2026US 2026/0185237 A1Fukuda Metal Foil & Powder Co., Ltd.
- Slide bearing for a rotating shaft of a vehicle driving motor25 Jun 2026US 2026/0177103 A1Daido Metal Company Ltd.
Most cited
By later US patents
- Thin film treated drilling bit cones111US 4,054,426 A1977
- Composite bearing structure of alternating hard and soft metal, and process for making the same92US 4,474,861 ASmith International, Inc. · 1984
- Sliding bearing element with lubricating oil pockets82US 6,095,690 AGlyco-Metall-Werke Glyco B.V. & Co. KG · 2000
- Radial bearings72US 4,029,368 ASmith International, Inc. · 1977
- Wear-resistant bearing material and a process for making it65US 3,941,903 AUnion Carbide Corporation · 1976