H01H 43/102
Using a pawl and ratchet wheel mechanism
Official title: {using a pawl and ratchet wheel mechanism}
H01H43/102 (Using a pawl and ratchet wheel mechanism) appears on 39 US grants and 0 published applications in this corpus.
Search patents in H01H- Granted patents
- 39
- Published applications
- 0
- Assignees
- 12
- Inventors
- 27
- Latest grant
- 27 Apr 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 9 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electromechanical program timer with delay sections27 Apr 2004US 6,727,440 B1Norm Pacific Automation Corp.
- Timer with two speed delay drive system24 Jun 2003US 6,583,372 B1France/Scott Fetzer Company
- Cam-operated timer quiet cycle selector23 Nov 1999US 5,990,426 AEmerson Electric Co.
- Cam-operated timer quiet cycle selector using a camstack with a plurality of drive teeth7 Sep 1999US 5,949,038 AEmerson Electric Co.
- Apparatus for permitting quiet manual setting of an appliance timer2 Feb 1999US 5,866,863 AEmerson Electric Co.
No published applications in this class yet.
Most cited
By later US patents
- Appliance control and programmer timer therefor16US 4,551,590 AEaton Corporation · 1985
- Variable step size impulse drive14US 4,179,945 AThe Singer Company · 1979
- Program timer with variable time delay14US 4,649,239 AEaton Corporation · 1987
- Electrical programmer14US 4,755,635 AEaton Corporation · 1988
- Latching push button switch13US 4,626,635 AEaton Corporation · 1986