F16D 25/064
The friction surface being grooved
Official title: the friction surface being grooved
F16D25/064 (The friction surface being grooved) appears on 3 US grants and 2 published applications in this corpus.
Search patents in F16D- Granted patents
- 3
- Published applications
- 2
- Assignees
- 4
- Inventors
- 4
- Latest grant
- 15 Nov 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
By publication year.
Recent patents
- Friction control element having a stroked state15 Nov 2011US 8,056,696 B2Ford Global Technologies, LLC
- Multiple lockup clutch and torque converter with the same clutch incorporated therein6 May 2003US 6,557,685 B2NSK-Warner K. K.
- Annular friction-clutch facing for a multi-disk clutch24 Sep 2002US 6,454,072 B1Borg-Warner Automotive, Inc.
Most cited
By later US patents