G03D 9/02
Diffusion development apparatus: using rupturable ampoules of liquid
Official title: using rupturable ampoules of liquid
G03D9/02 (Diffusion development apparatus: using rupturable ampoules of liquid) appears on 55 US grants and 3 published applications in this corpus.
Search patents in G03D- Granted patents
- 55
- Published applications
- 3
- Assignees
- 10
- Inventors
- 69
- Latest grant
- 21 Oct 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- 360-° image photographing apparatus21 Oct 2008US 7,440,691 B2Hitachi, Ltd.
- Photographic film assemblages of the self-developing type having removable portions18 Sep 2001US 6,291,128 B1Polaroid Corporation
- Method, apparatus and system for cleaning pressure applying members24 Mar 1998US 5,732,287 APolaroid Corporation
- Apparatus and system for cleaning pressure applying members17 Jun 1997US 5,639,302 APolaroid Corporation
- Ecological system for delivering film units, a container for holding film units and an apparatus for packaging trash for recycling23 Jan 1996US 5,486,891 APolaroid Corporation, Patent Department
- 360-° Image photographing apparatus8 Mar 2007US 2007/0053679 A1Hitachi, Ltd.
- Image-forming device having an exposing/processing platen8 Mar 2007US 2007/0053686 A1Eastman Kodak Company
- Pressure development apparatus having a pressure roller with a non-metallic layer9 Feb 2006US 2006/0029387 A1Eastman Kodak Company
Most cited
By later US patents
- Method of processing film unit with processing solution wave front modifying means78US 3,948,662 APolaroid Corporation · 1976
- Photographic film processing apparatus having disengagement means26US 3,943,786 APolaroid Corporation · 1976
- Film assemblage of the self-developing type together with apparatus for processing thereof23US 4,145,133 APolaroid Corporation · 1979
- Transparency film processor19US 4,200,383 APolaroid Corporation · 1980
- Film processor19US 4,370,045 APolaroid Corporation · 1983