Y10T 409/303584
Photocell
Y10T409/303584 (Photocell) appears on 8 US grants and 0 published applications in this corpus.
Search patents in Y10T- Granted patents
- 8
- Published applications
- 0
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 19 Dec 1995
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Engraving head with cartridge mounted components19 Dec 1995US 5,475,914 AOhio Electronic Engravers, Inc.
- Apparatus for engraving images3 Aug 1993US 5,232,321 A
- Broken bit detector20 Jul 1982US 4,340,326 ACooper Industries, Inc.
- Machine tool profiling device2 Mar 1982US 4,317,644 A
- Copying machine with an optic reading device9 Feb 1982US 4,314,781 AWillemin Machines S.A.
No published applications in this class yet.
Most cited
By later US patents
- Broken bit detector49US 4,340,326 ACooper Industries, Inc. · 1982
- Engraving machines9US 3,937,873 A1976
- Engraving head with cartridge mounted components8US 5,475,914 AOhio Electronic Engravers, Inc. · 1995
- Machine tool profiling device6US 4,317,644 A1982
- Apparatus for engraving images6US 5,232,321 A1993