B26F 1/0007
Perforation of photographic films
Official title: {Perforation of photographic films}
B26F1/0007 (Perforation of photographic films) appears on 23 US grants and 2 published applications in this corpus.
Search patents in B26F- Granted patents
- 23
- Published applications
- 2
- Assignees
- 7
- Inventors
- 35
- Latest grant
- 8 Jan 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for manufacturing photographic filmstrips8 Jan 2002US 6,336,406 B1
- Perforator1 Jan 2002US 6,334,378 B1
- Apparatus for manufacturing photographic filmstrips10 Jul 2001US 6,257,112 B1Fuji Photo Film Co., Ltd.
- Perforator10 Oct 2000US 6,128,986 AFuji Photo Film Co., Ltd.
- Perforator apparatus and perforating method for photo film, and photo film working/securing apparatus and method30 May 2000US 6,068,413 AFuji Photo Film Co., Ltd.
Most cited
By later US patents
- Precision cutting means20US 4,220,272 A1980
- Pneumatic film punch18US 5,106,017 A1992
- Apparatus and method for transporting and perforating enlongated strips of material16US 5,461,450 AEastman Kodak Company · 1995
- Film perforator13US 4,928,562 AKonica Corporation · 1990
- Apparatus for manufacturing photographic filmstrips10US 6,003,420 AFuji Photo Film Co., Ltd. · 1999