C04B 2111/00344
Materials with friction-reduced moving parts
Official title: {Materials with friction-reduced moving parts, e.g. ceramics lubricated by impregnation with carbon}
C04B2111/00344 (Materials with friction-reduced moving parts) appears on 51 US grants and 37 published applications in this corpus.
Search patents in C04B- Granted patents
- 51
- Published applications
- 37
- Assignees
- 50
- Inventors
- 176
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 0 |
| 2003 | 3 | 3 |
| 2004 | 2 | 5 |
| 2005 | 0 | 4 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of pressure-pumping ready-mixed concrete19 Aug 2025US 12,391,614 B2Take Cite Co., Ltd.
- Faucet valve30 Jun 2020US 10,697,552 B2Toto Ltd.
- Carbon material for bearings and sliding member made of carbon material for bearings27 Feb 2018US 9,902,839 B2Toyo Tanso Co., Ltd.
- Pressureless sintering-based method for making a two-phase ceramic composite body21 Nov 2017US 9,822,040 B1The United States of America as represented by the Secretary of the Navy
- Method for smoothing the surface of a part made from a CMC material19 Jan 2016US 9,238,595 B2Herakles
- Method of Manufacturing a Cubic Boron Nitride (CBN) Bushing with Improved Temperature Control and Wear Resistance10 Jul 2025US 2025/0223234 A1
- Method of pressure-pumping ready-mixed concrete15 Aug 2024US 2024/0270639 A1Take Cite Co., Ltd.
- Low Friction Coatings30 May 2024US 2024/0174938 A1John Crane Inc.
- Sliding member2 Nov 2023US 2023/0349422 A1KYOCERA Corporation
- Method of reducing stickiness of cementitious compositions20 May 2021US 2021/0147293 A1GCP Applied Technologies Inc.
Most cited
By later US patents
- Process for converting a metal carbide to carbon by etching in halogens566US 6,579,833 B1The Board of Trustees of the University of Illinois · 2003
- Ultra-thin film laminate109US 5,503,912 ASumitomo Electric Industries, Ltd. · 1996
- Ultra-thin film laminate58US 5,478,634 ASumitomo Electric Industries, Ltd. · 1995
- Dynamic pressure air bearing48US 4,797,009 AKabushiki Kaisha Toshiba · 1989
- Ceramic in replacement components47US 7,252,684 B2Southwest Research Institute · 2007