F16C 33/121
Use of special materials
Official title: {Use of special materials}
F16C33/121 (Use of special materials) appears on 570 US grants and 520 published applications in this corpus.
Search patents in F16C- Granted patents
- 570
- Published applications
- 520
- Assignees
- 246
- Inventors
- 1,121
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 15 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 5 |
| 2002 | 17 | 12 |
| 2003 | 16 | 30 |
| 2004 | 17 | 20 |
| 2005 | 15 | 11 |
| 2006 | 7 | 14 |
| 2007 | 9 | 12 |
| 2008 | 3 | 12 |
| 2009 | 8 | 19 |
| 2010 | 9 | 18 |
| 2011 | 7 | 13 |
| 2012 | 8 | 20 |
| 2013 | 6 | 23 |
| 2014 | 19 | 21 |
| 2015 | 19 | 27 |
| 2016 | 21 | 27 |
| 2017 | 22 | 27 |
| 2018 | 14 | 23 |
| 2019 | 29 | 30 |
| 2020 | 29 | 33 |
| 2021 | 31 | 35 |
| 2022 | 24 | 18 |
| 2023 | 19 | 22 |
| 2024 | 18 | 20 |
| 2025 | 19 | 16 |
| 2026 | 17 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bearing part22 Sep 2026US 12,742,476 B2Ntn Corporation
- Sliding material14 Jul 2026US 12,680,575 B2Sankyo Oilless Industry, Inc.
- Thermally adaptive top foil of a gas foil bearing16 Jun 2026US 12,655,867 B2Hamilton Sundstrand Corporation
- Sliding member, bearing, sliding member manufacturing method, and bearing manufacturing method9 Jun 2026US 12,650,146 B2Senju Metal Industry Co., Ltd.
- Wear-resistant member26 May 2026US 12,638,050 B2NGK Insulators, Ltd.
- Sliding member17 Sep 2026US 2026/0276038 A1Daido Metal Company Ltd.
- Self-lubricating universal joint27 Aug 2026US 2026/0251185 A1Array Tech, Inc.
- Surface treatment method for sliding members, and sliding member20 Aug 2026US 2026/0242955 A1Fuji Kihan Co., Ltd.
- Sliding member20 Aug 2026US 2026/0243298 A1Daido Metal Company Ltd.
- Sliding member20 Aug 2026US 2026/0243302 A1Daido Metal Company Ltd.
Most cited
By later US patents
- Sliding member119US 4,505,987 AMitsuya Seiko Co. Ltd. · 1985
- Wear-resistant bearing material and a process for making it65US 3,941,903 AUnion Carbide Corporation · 1976
- Coated planet gear journal bearing and process of making same63US 5,685,797 AUnited Technologies Corporation · 1997
- Roller drill bit having radial-thrust pilot bushing incorporating anti-galling material60US 4,875,532 ADresser Industries, Inc. · 1989
- Lightweight high performance titanium sliding contact bearing41US 4,848,934 AThe Boeing Company · 1989