F16C 33/16
Sliding surface consisting mainly of graphite
F16C33/16 (Sliding surface consisting mainly of graphite) appears on 100 US grants and 81 published applications in this corpus.
Search patents in F16C- Granted patents
- 100
- Published applications
- 81
- Assignees
- 89
- Inventors
- 312
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 3 |
| 2002 | 2 | 1 |
| 2003 | 2 | 5 |
| 2004 | 3 | 4 |
| 2005 | 3 | 6 |
| 2006 | 0 | 4 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 3 | 6 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 3 | 4 |
| 2014 | 0 | 4 |
| 2015 | 1 | 5 |
| 2016 | 5 | 6 |
| 2017 | 4 | 4 |
| 2018 | 4 | 3 |
| 2019 | 5 | 7 |
| 2020 | 3 | 4 |
| 2021 | 2 | 2 |
| 2022 | 3 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 0 | 0 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sliding component8 Sep 2026US 12,729,717 B2Eagle Industry Co., Ltd.
- Sliding components19 May 2026US 12,631,215 B2Eagle Industry Co., Ltd.
- Sliding member and bearing28 Apr 2026US 12,612,944 B2Senju Metal Industry Co., Ltd.
- Valve device26 Mar 2024US 11,940,048 B2Mikuni Corporation
- Porous gas bearing9 Jan 2024US 11,867,230 B2Trane International Inc.
- Sliding member and bearing10 Oct 2024US 2024/0337291 A1Senju Metal Industry Co., Ltd.
- Sliding component23 May 2024US 2024/0167508 A1Eagle Industry Co., Ltd.
- Sliding component23 May 2024US 2024/0167509 A1Eagle Industry Co., Ltd.
- Porous gas bearing2 Nov 2023US 2023/0349421 A1Trane International Inc.
- Electrostatic dissipative externally pressurized porous bearings2 Mar 2023US 2023/0069184 A1New Way Machine Components, 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
- Hydrodynamic bearing55US 5,366,298 AEbara Corporation · 1994
- Carbon-containing sliding layer40US 4,525,417 AU. S. Philips Corporation · 1985
- Glasslike carbon composite material and method of preparing the same36US 4,958,998 AKao Corporation · 1990
- Gearless/oilless gas turbine engine31US 6,881,027 B2Honeywell International Inc. · 2005