B41J 19/70
Power driven
Official title: power driven
B41J19/70 (Power driven) appears on 11 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 11
- Published applications
- 0
- Assignees
- 9
- Inventors
- 14
- Latest grant
- 12 Nov 1985
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Backspace device in typewriter12 Nov 1985US 4,552,474 ATokyo Juki Industrial Co., Ltd.
- Type carrier return and platen line space device for typewriters31 Jul 1984US 4,462,709 ATokyo Juki Industrial Co., Ltd.
- Manually-operated dot printer for pocket sized calculators28 Feb 1984US 4,433,925 AEpson Corporation
- Speed controlled printer24 Jan 1984US 4,427,314 AEpson Corporation
- Torque-limiting carriage return knock-off mechanism17 May 1983US 4,383,777 AInternational Business Machines Corporation
No published applications in this class yet.
Most cited
By later US patents
- Manually-operated dot printer for pocket sized calculators22US 4,433,925 AEpson Corporation · 1984
- Arrangement for driving a printing head along a printing line16US 4,034,842 AIng. C. Olivetti & C., S.p.A. · 1977
- Registration means for printers and the like10US 4,076,111 ACentronics Data Computer Corp. · 1978
- Speed controlled printer9US 4,427,314 AEpson Corporation · 1984
- Arrangement for driving a printing head along a printing line3US 4,285,606 AIng. C. Olivetti & C., S.p.A. · 1981