G03B 1/14
Special arrangements to ensure constant length of movement of film
G03B1/14 (Special arrangements to ensure constant length of movement of film) appears on 22 US grants and 3 published applications in this corpus.
Search patents in G03B- Granted patents
- 22
- Published applications
- 3
- Assignees
- 12
- Inventors
- 40
- Latest grant
- 3 Apr 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Electronically controlled film transport methods and systems3 Apr 2012US 8,147,065 B2IMAX Corporation
- Manual-wind camera17 Jul 2001US 6,263,169 B1Asahi Kogaku Kogyo Kabushiki Kaisha
- Camera with frame shift prevention during exposure26 Dec 2000US 6,167,197 AEastman Kodak Company
- Camera with a frame shift prevention function13 Jan 1998US 5,708,888 ANikon Corporation
- Camera interior light lock14 Oct 1997US 5,678,109 AEastman Kodak Company
Most cited
By later US patents
- Metering apparatus12US 5,555,053 AEastman Kodak Company · 1996
- Film advance mechanism for still cameras10US 4,104,664 AAgfa-Gevaert · 1978
- Film metering apparatus and method with drive speed reduction8US 5,008,692 AEastman Kodak Company · 1991
- Film transport mechanism for cameras7US 4,115,792 AAgfa-Gevaert · 1978
- Photographic camera7US 4,154,519 ARollei-Werke Franke & Heidecke · 1979