B41J 9/36
In which mechanical power is applied under electromagnetic control
Official title: in which mechanical power is applied under electromagnetic control
B41J9/36 (In which mechanical power is applied under electromagnetic control) appears on 35 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 35
- Published applications
- 0
- Assignees
- 18
- Inventors
- 52
- Latest grant
- 28 Apr 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Printer integrated driver and hammerbank28 Apr 1998US 5,743,665 APrintronix, Inc.
- Printer power supply21 Jan 1997US 5,595,446 APrintronix, Inc.
- Printer hammerspring9 Aug 1994US 5,335,999 APrintronix, Inc.
- Print hammer assembly for dot line printer20 Jul 1993US 5,228,386 AHitachi Koki Co., Ltd.
- Quiet impact printer mechanism6 Apr 1993US 5,199,804 ASmith Corona Corporation
No published applications in this class yet.
Most cited
By later US patents
- Printer system66US 3,941,051 APrintronix, Inc. · 1976
- Print hammer mechanism32US 4,044,668 APrintronix, Inc. · 1977
- Reciprocating linear drive mechanism16US 4,180,766 APrintronix, Inc. · 1979
- Print hammer mechanism having dual pole pieces13US 4,233,894 APrintronix, Inc. · 1980
- Print hammer mechanism having dual electromagnetic coils and pole pieces13US 4,258,623 APrintronix, Inc. · 1981