H01H 43/121
Using a drum
Official title: {using a drum}
H01H43/121 (Using a drum) appears on 8 US grants and 1 published applications in this corpus.
Search patents in H01H- Granted patents
- 8
- Published applications
- 1
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 26 Nov 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Appliance timer having an auxiliary switching assembly26 Nov 2002US 6,486,416 B2Emerson Electric Co.
- Appliance timer having an auxiliary switching assembly for increasing switching capacity and associated method16 May 2000US 6,064,011 AEmerson Electric Co.
- Appliance timer having a switching mechanism for high-current carrying circuit blades and associated method10 Nov 1998US 5,834,718 AEmerson Electric Co.
- Switch timing mechanism with serrated camstack10 Jan 1989US 4,797,515 AEmhart Industries, Inc.
- Control system for a laundry processing machine24 Jul 1984US 4,461,959 APellerin Milnor Corporation
Most cited
By later US patents
- Automatic laundry system20US 4,195,498 APellerin Milnor Corporation (Entire) · 1980
- Appliance timer having a switching mechanism for high-current carrying circuit blades and associated method17US 5,834,718 AEmerson Electric Co. · 1998
- Timing apparatus3US 4,075,506 A1978
- Appliance timer having an auxiliary switching assembly for increasing switching capacity and associated method3US 6,064,011 AEmerson Electric Co. · 2000
- Control system for a laundry processing machine2US 4,461,959 APellerin Milnor Corporation · 1984