G03B 1/24
Sprockets engaging holes in the film
G03B1/24 (Sprockets engaging holes in the film) appears on 79 US grants and 11 published applications in this corpus.
Search patents in G03B- Granted patents
- 79
- Published applications
- 11
- Assignees
- 37
- Inventors
- 104
- Latest grant
- 29 Dec 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Volumetric film display systems29 Dec 2015US 9,223,143 B1
- Adjustable micro device feeder20 Dec 2011US 8,079,396 B2Leannoux Properties AG L.L.C.
- Film handling system with elongated film guide31 May 2011US 7,950,654 B2
- Film handling system16 Feb 2010US 7,661,672 B2
- Device for conveying a motion picture film28 Jul 2009US 7,566,136 B2Arnold & Richter Cine Technik GmbH & Co.
- Film handling system27 May 2010US 2010/0127450 A1
- Adjustable Micro Device Feeder30 Apr 2009US 2009/0107638 A1Leannoux Properties AG L.L.C.
- Integrated Interactive Drawing and Entertainment Projector15 Jan 2009US 2009/0015793 A1
- Film handling system1 Nov 2007US 2007/0253537 A1
- Camera film prewinding using D-shaped film perforations25 Jan 2007US 2007/0019951 A1Eastman Kodak Company
Most cited
By later US patents
- Intermittent rotary motion device33US 4,009,952 ABell & Howell Company · 1977
- Intermittent film drive for motion picture projector20US 4,022,525 AEprad Incorporated · 1977
- Forms feed tractor20US 4,226,353 AInternational Business Machines Corporation · 1980
- Document tractor18US 4,199,091 APrecision Handling Devices, Inc. · 1980
- 4:3 perf conversion sprocket16US 4,900,293 A1990