B65H 2301/4531
By opposite opening drums
Official title: by opposite opening drums
B65H2301/4531 (By opposite opening drums) appears on 31 US grants and 4 published applications in this corpus.
Search patents in B65H- Granted patents
- 31
- Published applications
- 4
- Assignees
- 12
- Inventors
- 30
- Latest grant
- 22 May 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Feeder device and method for moving printed products by planar motion22 May 2012US 8,181,955 B2Goss International Americas, Inc.
- Method and device for supplying, opening and depositing folded printed products14 Dec 2010US 7,850,158 B2Ferag AG
- Apparatus for opening and depositing a signature13 Jul 2010US 7,753,372 B2Muller Martini Holding AG
- Transport disc for an opening device of a printed sheet feeder7 Mar 2006US 7,007,951 B1Grapha-Holding AG
- Pocket wheel feeding device21 Sep 2004US 6,793,211 B2Grapha-Holding AG
- Feeder device and method for moving printed products by planar motion4 Aug 2011US 2011/0187048 A1Goss International Americas, Inc.
- Method and device for supplying, opening an depositing folded printed products13 Sep 2007US 2007/0210503 A1Ferag AG
- Apparatus for opening and depositing a signature28 Sep 2006US 2006/0214367 A1Muller Martini Holding AG
- Pocket wheel feeding device13 Mar 2003US 2003/0047867 A1Grapha-Holding AG
Most cited
By later US patents
- Apparatus and method for individually printing signatures during delivery to a binding line conveyor22US 5,005,815 AR. R. Donnelley & Sons Company · 1991
- Apparatus for gathering folded sheets in bookbinding machines20US 4,085,927 AGrapha-Holding AG · 1978
- Apparatus for opening folded sheets using accelerating and deaccelerating spreader elements19US 4,491,311 AGrapha-Holding AG · 1985
- Sheet material handling apparatus17US 5,100,118 AAM International, Inc. · 1992
- Signature opening apparatus14US 4,078,784 AHarris Corporation · 1978