B41F 23/0493
Microwave dryers
Official title: {Microwave dryers}
B41F23/0493 (Microwave dryers) appears on 6 US grants and 4 published applications in this corpus.
Search patents in B41F- Granted patents
- 6
- Published applications
- 4
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 18 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 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 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Microwave dryers for printing systems that utilize electromagnetic and radiative heating18 Aug 2020US 10,744,807 B2Ricoh Company, Ltd.
- Microwave dryers for printing systems that utilize electromagnetic and radiative heating16 Oct 2018US 10,099,500 B2Ricoh Company, Ltd.
- Method and apparatus for preventing fire in printing machines25 Apr 2006US 7,035,556 B2Eastman Kodak Company
- Method and device for controlling and regulating a dryer located downstream of a varnishing unit in a rotary printing press17 Aug 1999US 5,937,761 AHeidelberger Druckmaschinen AG
- Device for heating a printed web for a printing press13 Jun 1995US 5,423,260 ARockwell International Corporation
- Printing fluid dryer28 Oct 2021US 2021/0331491 A1Hewlett-Packard Development Company, L. P.
- Microwave dryers for printing systems that utilize electromagnetic and radiative heating10 Jan 2019US 2019/0009605 A1Ricoh Company, Ltd.
- Microwave dryers for printing systems that utilize electromagnetic and radiative heating23 Aug 2018US 2018/0236802 A1Ricoh Company, Ltd.
- Method and apparatus for preventing fire in printing machines18 Nov 2004US 2004/0228643 A1Eastman Kodak Company
Most cited
By later US patents
- Device for heating a printed web for a printing press31US 5,423,260 ARockwell International Corporation · 1995
- Method and device for controlling and regulating a dryer located downstream of a varnishing unit in a rotary printing press16US 5,937,761 AHeidelberger Druckmaschinen AG · 1999
- Microwave unit for thermographic printing12US 4,991,539 A1991
- Method and apparatus for preventing fire in printing machines6US 7,035,556 B2Eastman Kodak Company · 2006
- Microwave dryers for printing systems that utilize electromagnetic and radiative heating1US 10,099,500 B2Ricoh Company, Ltd. · 2018