B41J 9/42
Hammer-impression mechanisms: with anti-rebound arrangements
Official title: with anti-rebound arrangements
B41J9/42 (Hammer-impression mechanisms: with anti-rebound arrangements) appears on 38 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 38
- Published applications
- 0
- Assignees
- 20
- Inventors
- 52
- Latest grant
- 21 Jun 1994
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Impact dot print head and printer including same21 Jun 1994US 5,322,379 ASeiko Epson Corporation
- Matrix pin print head with rebound control23 Feb 1993US 5,188,466 AMannesmann Aktiengesellschaft
- Impact printer with variable impact and rebound control19 Jan 1993US 5,180,235 ACanon Kabushiki Kaisha
- Impact type recording apparatus having reduced impact sound during return of the hammer15 Sep 1992US 5,147,142 ACanon Kabushiki Kaisha
- Impact dot print head and printer including same18 Feb 1992US 5,088,844 ASeiko Epson Corporation
No published applications in this class yet.
Most cited
By later US patents
- Bounce control system for moving coil printing element14US 4,348,119 AGeneral Electric Company · 1982
- Printing hammer rebound control14US 4,569,607 ARicoh Company, Ltd. · 1986
- Hammer driver controller for impact printers13US 4,062,285 AXerox Corporation · 1977
- Dot matrix print head13US 4,781,477 ANCR Corporation · 1988
- Dot matrix print actuator11US 4,527,469 ADataproducts Corporation · 1985