Y10T 29/53565
Plural spring engagement
Y10T29/53565 (Plural spring engagement) appears on 11 US grants and 5 published applications in this corpus.
Search patents in Y10T- Granted patents
- 11
- Published applications
- 5
- Assignees
- 2
- Inventors
- 14
- Latest grant
- 19 Mar 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Motorcycle valve spring removal tool19 Mar 2013US 8,397,361 B1
- Automotive maintenance tool12 Feb 2013US 8,371,010 B2
- Valve piston repositioning apparatus and method7 Aug 2012US 8,234,784 B2
- Motorcycle valve spring removal tool12 Jul 2011US 7,975,357 B1
- Structure for holding fixing screws8 Dec 2009US 7,628,835 B2Honda Motor Co., Ltd.
- Automotive maintenance tool17 Feb 2011US 2011/0035923 A1
- Valve piston repositioning apparatus and method13 Aug 2009US 2009/0199403 A1
- Hold-down device30 Jul 2009US 2009/0188470 A1
- Structure for holding fixing screws22 Mar 2007US 2007/0065323 A1Honda Motor Co., Ltd.
- Tool for facilitating the removal and replacement of engine valve stem springs and seals14 Apr 2005US 2005/0076486 A1
Most cited
By later US patents
- Situ valve spring compression tool12US 3,977,064 ACummins Engine Company, Inc. · 1976
- Apparatus for removing and installing valve-spring retainer assemblies and for testing the tension of springs employed thereby12US 5,339,515 A1994
- Multiple valve spring compressor6US 5,371,932 A1994
- Tool for facilitating the removal and replacement of engine valve stem springs and seals6US 6,938,315 B22005
- Automotive maintenance tool6US 8,371,010 B22013