B65H 3/46
Supplementary devices or measures to assist separation or prevent double feed
Official title: Supplementary devices or measures to assist separation or prevent double feed (control means comprising detectors responsive to double feed B65H7/12)
B65H3/46 (Supplementary devices or measures to assist separation or prevent double feed) appears on 2,537 US grants and 1,962 published applications in this corpus.
Search patents in B65H- Granted patents
- 2,537
- Published applications
- 1,962
- Assignees
- 549
- Inventors
- 3,704
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 19 | 0 |
| 1978 | 11 | 0 |
| 1979 | 7 | 0 |
| 1980 | 14 | 0 |
| 1981 | 18 | 0 |
| 1982 | 20 | 0 |
| 1983 | 17 | 0 |
| 1984 | 15 | 0 |
| 1985 | 33 | 0 |
| 1986 | 39 | 0 |
| 1987 | 36 | 0 |
| 1988 | 19 | 0 |
| 1989 | 32 | 0 |
| 1990 | 25 | 0 |
| 1991 | 41 | 0 |
| 1992 | 45 | 0 |
| 1993 | 38 | 0 |
| 1994 | 37 | 0 |
| 1995 | 44 | 0 |
| 1996 | 38 | 0 |
| 1997 | 37 | 0 |
| 1998 | 42 | 0 |
| 1999 | 77 | 0 |
| 2000 | 60 | 0 |
| 2001 | 55 | 11 |
| 2002 | 57 | 58 |
| 2003 | 66 | 50 |
| 2004 | 37 | 83 |
| 2005 | 34 | 77 |
| 2006 | 46 | 70 |
| 2007 | 30 | 102 |
| 2008 | 68 | 103 |
| 2009 | 84 | 95 |
| 2010 | 105 | 85 |
| 2011 | 77 | 97 |
| 2012 | 90 | 87 |
| 2013 | 101 | 87 |
| 2014 | 121 | 95 |
| 2015 | 88 | 99 |
| 2016 | 64 | 73 |
| 2017 | 74 | 74 |
| 2018 | 87 | 94 |
| 2019 | 85 | 83 |
| 2020 | 64 | 81 |
| 2021 | 46 | 75 |
| 2022 | 60 | 65 |
| 2023 | 55 | 55 |
| 2024 | 48 | 61 |
| 2025 | 58 | 54 |
| 2026 | 40 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65H 3/52Friction retainers acting on under or rear side of article being separated1,335
- B65H 3/56Elements524
- B65H 3/48Air blast acting on edges of, or under, articles505
- B65H 3/54Pressing or holding devices230
- B65H 3/60Loosening articles in piles115
- B65H 3/50Elements58
- B65H 3/58Articles spiked, threaded, cemented, or gummed together, to prevent double feed1
Recent patents
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- Sheet feeding apparatus8 Sep 2026US 12,729,084 B2Canon Kabushiki Kaisha
- Medium feeding device and medium processing device including the same1 Sep 2026US 12,722,921 B2FUJIFILM Business Innovation Corp.
- Sheet feeder, image reading device, and image forming apparatus25 Aug 2026US 12,715,720 B2Ricoh Company, Ltd.
- A system and method for separating a stack of carton papers1 Oct 2026US 2026/0296817 A1Mpac Langen B.V.
- Medium transport apparatus and medium processing system1 Oct 2026US 2026/0296818 A1FUJIFILM Business Innovation Corp.
- Information processing system, non-transitory computer readable medium storing program, and information processing method1 Oct 2026US 2026/0296819 A1FUJIFILM Business Innovation Corp.
- Recording medium accommodating device and image forming apparatus1 Oct 2026US 2026/0299491 A1FUJIFILM Business Innovation Corp.
- Information processing system, non-transitory computer readable medium storing program, and information processing method1 Oct 2026US 2026/0301354 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Feed arrangement for currency handling machines239US 5,207,788 ACummins-Allison Corp. · 1993
- Document counting and batching apparatus with counterfeit detection217US 5,430,664 ATechnitrol, Inc. · 1995
- Self-compensating stripper assembly for document handling and counting apparatus156US 4,313,598 ABrandt-Pra, Inc. · 1982
- Card dispensing apparatus for card vending machine133US 4,993,587 AAsahi Seiko Kabushiki Kaisha · 1991
- Sheet feeder for copiers and printers122US 5,026,042 AXerox Corporation · 1991