F16C 33/043
Sliding surface consisting mainly of ceramics, cermets or hard carbon
Official title: {Sliding surface consisting mainly of ceramics, cermets or hard carbon, e.g. diamond like carbon [DLC]}
F16C33/043 (Sliding surface consisting mainly of ceramics, cermets or hard carbon) appears on 769 US grants and 565 published applications in this corpus.
Search patents in F16C- Granted patents
- 769
- Published applications
- 565
- Assignees
- 328
- Inventors
- 1,222
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 18 | 0 |
| 1993 | 10 | 0 |
| 1994 | 15 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 14 | 0 |
| 1998 | 31 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 2 |
| 2002 | 8 | 17 |
| 2003 | 15 | 23 |
| 2004 | 18 | 21 |
| 2005 | 7 | 22 |
| 2006 | 8 | 8 |
| 2007 | 19 | 10 |
| 2008 | 5 | 8 |
| 2009 | 6 | 14 |
| 2010 | 8 | 27 |
| 2011 | 16 | 23 |
| 2012 | 17 | 22 |
| 2013 | 19 | 34 |
| 2014 | 38 | 34 |
| 2015 | 37 | 36 |
| 2016 | 44 | 26 |
| 2017 | 42 | 28 |
| 2018 | 28 | 25 |
| 2019 | 35 | 19 |
| 2020 | 31 | 39 |
| 2021 | 23 | 20 |
| 2022 | 23 | 26 |
| 2023 | 31 | 27 |
| 2024 | 23 | 19 |
| 2025 | 26 | 24 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of manufacturing combination thrust-bearing and radial bearing apparatuses16 Jun 2026US 12,655,869 B2US Synthetic Corporation
- Wear-resistant member26 May 2026US 12,638,050 B2NGK Insulators, Ltd.
- Corrosion resistant bearing elements, bearing assemblies, bearing apparatuses, and motor assemblies using the same26 May 2026US 12,638,051 B2US Synthetic Corporation
- Thrust bearing with tilting pad12 May 2026US 12,624,705 B1Halliburton Energy Services.Inc.
- Sliding member and internal combustion engine provided with sliding member17 Mar 2026US 12,577,643 B2Fukuda Metal Foil & Powder Co., Ltd.
- Blood pump and method of manufacturing a blood pump housing6 Aug 2026US 2026/0224884 A1
- Leached superabrasive elements, subterranean tools with leached superabrasive elements, and related systems and methods18 Jun 2026US 2026/0166678 A1US Synthetic Corporation
- Bearing assemblies, apparatuses, devices, systems, and methods including bearings18 Jun 2026US 2026/0168507 A1ChampionX LLC
- Protective leaching mask assemblies and related methods28 May 2026US 2026/0145302 A1US Synthetic Corporation
- Force coupling assemblies and related systems and methods21 May 2026US 2026/0139709 A1US Synthetic Corporation
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
- Composite polycrystalline diamond compact502US 4,604,106 ASmith International, Inc. · 1986
- Thrust bearing assembly for a downhole drill motor475US 4,560,014 ASmith International, Inc. · 1985
- Diamond thrust bearing and method for manufacturing same434US 5,092,687 AAnadrill, Inc. · 1992
- Polycrystalline diamond bearing system for a roller cone rock bit395US 4,738,322 ASmith International, Inc. · 1988