B41L 17/18
Lithographic printing apparatus for office or other commercial purposes: for multicolour printing
Official title: for multicolour printing, e.g. tandem machines; for perfecting
B41L17/18 (Lithographic printing apparatus for office or other commercial purposes: for multicolour printing) appears on 8 US grants and 0 published applications in this corpus.
Search patents in B41L- Granted patents
- 8
- Published applications
- 0
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 24 Apr 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multicolor printing press24 Apr 1990US 4,919,047 AToray Industries, Inc.
- Operation lever controller for two-color printing apparatus9 Jun 1987US 4,671,176 ARyobi Ltd.
- Offset perfecting press9 Oct 1984US 4,475,456 ARyobi Ltd.
- Dual-head duplicator with alternate simplexing capability4 May 1982US 4,327,641 AAM International, Inc.
- Duplexing copying system27 May 1980US 4,204,472 AA. B. Dick Company
No published applications in this class yet.
Most cited
By later US patents
- Duplexing copying system27US 4,186,662 AA. B. Dick Company · 1980
- Multicolor printing press19US 4,919,047 AToray Industries, Inc. · 1990
- Copy system15US 4,080,060 AAddressograph Multigraph Corporation · 1978
- Dual printing with single master supply source11US 3,987,722 AAddressograph Multigraph Corporation · 1976
- Duplexing copying system8US 4,204,472 AA. B. Dick Company · 1980