B31F 1/0035
Straightening or flattening
Official title: {Straightening or flattening}
B31F1/0035 (Straightening or flattening) appears on 35 US grants and 32 published applications in this corpus.
Search patents in B31F- Granted patents
- 35
- Published applications
- 32
- Assignees
- 17
- Inventors
- 74
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 11 |
| 2015 | 12 | 5 |
| 2016 | 5 | 10 |
| 2017 | 4 | 0 |
| 2018 | 6 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for processing blanks for forming constructs6 Jun 2023US 11,667,097 B2Graphic Packaging International, Inc.
- Rim flattener apparatus and method17 May 2022US 11,331,874 B2Paper Machinery Corporation
- Fold-enforcing assembly, post-processing apparatus, and image forming system25 May 2021US 11,014,772 B2Ricoh Company, Ltd.
- Folding apparatus and image forming system incorporating the same14 Jul 2020US 10,710,834 B2Ricoh Company, Ltd.
- Sheet processing apparatus, image forming system, and method of additionally folding sheet bundle17 Jul 2018US 10,023,423 B2Ricoh Company, Ltd.
- Fold-enforcing assembly, post-processing apparatus, and image forming system1 Oct 2020US 2020/0307945 A1Ricoh Company, Ltd.
- Method and System for Processing Blanks for Forming Constructs7 May 2020US 2020/0139658 A1Graphic Packaging International, Inc.
- Folding apparatus and image forming system incorporating the same12 Sep 2019US 2019/0276263 A1Ricoh Company, Ltd.
- Rim flattener apparatus and method26 Apr 2018US 2018/0111346 A1Paper Machinery Corporation
- Sheet processing apparatus and image forming system29 Sep 2016US 2016/0280502 A1Fuji Xerox Co., Ltd.
Most cited
By later US patents
- Curling/decurling method and mechanism32US 4,475,896 AXerox Corporation · 1984
- Curl free reinforced paper sheet technique8US 4,528,056 AAvery International Corporation · 1985
- Composite web decurling apparatus and method6US 4,808,363 AAdolph Coors Company · 1989
- Sheet processing device, image forming system, and method of additionally folding sheet bundle5US 9,221,648 B2Ricoh Company, Ltd. · 2015
- Sheet flattening method4US 4,609,517 AThe Mead Corporation · 1986