B65H 3/18
Separating articles from piles: using electrostatic force
Official title: using electrostatic force
B65H3/18 (Separating articles from piles: using electrostatic force) appears on 43 US grants and 46 published applications in this corpus.
Search patents in B65H- Granted patents
- 43
- Published applications
- 46
- Assignees
- 16
- Inventors
- 67
- Latest grant
- 9 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 6 |
| 2011 | 2 | 8 |
| 2012 | 4 | 8 |
| 2013 | 10 | 3 |
| 2014 | 5 | 3 |
| 2015 | 2 | 3 |
| 2016 | 2 | 7 |
| 2017 | 2 | 4 |
| 2018 | 1 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Electrostatically levitated conveyance apparatus and electrode thereof for electrostatic levitation39US 5,789,843 AKanagawa Academy of Science and Technology · 1998
- Sheet feeding and separating device for image forming equipment29US 5,219,154 ARicoh Company, Ltd. · 1993
- Sheet feeding and separating device for image forming equipment29US 5,316,282 ARicoh Company, Ltd. · 1994
- Electrostatic holding and conveying apparatus26US 4,244,465 ATaihei Chemicals Limited · 1981
- Method for transferring circular paper filters from a stack of such filters into a coffee maker basket19US 4,285,114 A1981