B44B 3/004
Using a tool controlled by a photoelectric scanning device
Official title: {using a tool controlled by a photoelectric scanning device}
B44B3/004 (Using a tool controlled by a photoelectric scanning device) appears on 9 US grants and 0 published applications in this corpus.
Search patents in B44B- Granted patents
- 9
- Published applications
- 0
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 25 Jan 1994
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual input engraving apparatus for producing engravings by multiple engraving techniques25 Jan 1994US 5,282,047 A
- Apparatus for engraving images3 Aug 1993US 5,232,321 A
- Method for graving printing forms4 Dec 1990US 4,975,784 ADr. Ing. Rudolf Hell GmbH
- Apparatus for making electronic circuit boards13 Jan 1987US 4,635,368 A
- Forming a simulated halftone picture21 Oct 1986US 4,618,523 AKabushiki Gaisha Waizen
No published applications in this class yet.
Most cited
By later US patents
- Electronic engraving system106US 4,052,739 ADai Nippon Printing Co., Ltd. · 1977
- Screen gravure engraving system for electromechanical engravers37US 4,612,584 AGravure Research Institute, Inc. · 1986
- Forming a simulated halftone picture8US 4,618,523 AKabushiki Gaisha Waizen · 1986
- Engraving apparatus and method7US 4,438,460 A1984
- Liquid cooled cathode ray tube assembly for video image projection systems6US 4,612,582 AElectronic Systems Products Inc. · 1986