B41J 9/38
Electromagnetic means
B41J9/38 (Electromagnetic means) appears on 68 US grants and 1 published applications in this corpus.
Search patents in B41J- Granted patents
- 68
- Published applications
- 1
- Assignees
- 32
- Inventors
- 110
- Latest grant
- 24 Aug 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 10 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Printer hammerbank with a magnetic shunt24 Aug 2004US 6,779,935 B1Printronix, Inc.
- Print hammer coil current control4 Jul 1995US 5,429,442 AInternational Business Machines Corporation
- Dot line printer having improved comb yoke9 Mar 1993US 5,192,148 AHitachi Koki Co., Ltd.
- Striker device for printers14 Apr 1992US 5,104,246 AIng. C. Olivetti & C., S.p.A.
- Actuator for print hammer10 Sep 1991US 5,046,871 AHitachi Koki Co., Ltd.
Most cited
By later US patents
- Lever actuator comprising a longitudinal-effect electroexpansive transducer and designed to prevent actuation from degrading the actuator72US 4,435,666 ANippon Electric Co., Ltd. · 1984
- Printer, provided with an impact device comprising a transducer28US 4,192,230 AU. S. Philips Corporation · 1980
- Differential lever actuator including differentially force-transmitting members which are not liable to break25US 4,518,887 ANEC Corporation · 1985
- Dot printing mechanism for dot matrix line printers19US 4,351,235 AMannesmann Tally Corporation · 1982
- Stacked blade matrix printer heads18US 4,129,390 AGeneral Electric Company · 1978