D21F 1/60
Cylinder moulds
D21F1/60 (Cylinder moulds) appears on 21 US grants and 4 published applications in this corpus.
Search patents in D21F- Granted patents
- 21
- Published applications
- 4
- Assignees
- 17
- Inventors
- 38
- Latest grant
- 18 Sep 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 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 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sheet former18 Sep 2018US 10,077,530 B2BS Co., Ltd.
- Sheet manufacturing apparatus8 May 2018US 9,963,826 B2Seiko Epson Corporation
- Device for treating web-type goods with a flowing or pressure medium3 Oct 2006US 7,114,267 B2Fleissner GmbH
- Diagonally joined cylindrical fabric and manufacturing method thereof18 Apr 2006US 7,029,555 B2Nippon Filcon Co., Ltd.
- Method and device for paper web manufacturing20 Mar 2001US 6,203,666 B1Tokushu Paper Mfg. Co., Ltd.
- Sheet former22 Jun 2017US 2017/0175330 A1BS Co., Ltd.
- Sheet manufacturing apparatus26 May 2016US 2016/0145803 A1Seiko Epson Corporation
- Device for treating web-type goods with a flowing or pressure medium2 Feb 2006US 2006/0021151 A1Fleissner GmbH
- Diagonally joined cylindrical fabric and manufacturing method thereof27 Jan 2005US 2005/0019521 A1Nippon Filcon Co., Ltd.
Most cited
By later US patents
- Pin and truss cylinder construction14US 3,957,087 A1976
- Two-sided drainage in a roll-type twin-wire former14US 4,209,360 AAB Karlstads Mekaniska Werkstad · 1980
- Vacuum water drawing cylinder for making paper13US 4,973,385 A1990
- Method and device for paper web manufacturing9US 6,203,666 B1Tokushu Paper Mfg. Co., Ltd. · 2001
- Method of producing watermark paper8US 5,766,416 ATokushu Paper Manufacturing Co., Ltd. · 1998