B65H 31/16
Fluid-pressure devices
B65H31/16 (Fluid-pressure devices) appears on 5 US grants and 2 published applications in this corpus.
Search patents in B65H- Granted patents
- 5
- Published applications
- 2
- Assignees
- 5
- Inventors
- 7
- Latest grant
- 7 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sheet accumulation equipment7 Sep 2021US 11,111,099 B2Tecnau S.r.l.
- Automatic down-stacking technology1 Mar 2005US 6,860,708 B2Graphic Packaging International, Inc.
- Fluid pressure operated stack elevating device15 Apr 1986US 4,582,463 AAVG Productions, Inc.
- Hydraulic sheet stacking and weighing system19 Jun 1984US 4,455,115 AChampion International Corporation
- Automatic device for maintaining the level of a stack of plates20 Sep 1977US 4,049,329 A
Most cited
By later US patents
- Hydraulic sheet stacking and weighing system18US 4,455,115 AChampion International Corporation · 1984
- Fluid pressure operated stack elevating device8US 4,582,463 AAVG Productions, Inc. · 1986
- Automatic down-stacking technology2US 6,860,708 B2Graphic Packaging International, Inc. · 2005
- Automatic device for maintaining the level of a stack of plates1US 4,049,329 A1977