B29C 44/3407
Vacuum extrusion using underwater barometric leg
Official title: {Vacuum extrusion using underwater barometric leg}
B29C44/3407 (Vacuum extrusion using underwater barometric leg) appears on 21 US grants and 3 published applications in this corpus.
Search patents in B29C- Granted patents
- 21
- Published applications
- 3
- Assignees
- 7
- Inventors
- 22
- Latest grant
- 16 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 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 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
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- Method of molding a vulcanized foam rubber sole for footwear and related sole of vulcanized foam rubber for footwear12 Jul 2018US 2018/0194045 A1
- Method of forming a fibrous product4 Aug 2016US 2016/0221233 A1Teknologian tutkimuskeskus VTT Oy
- Horizontal vacuum chamber seal control device23 Jun 2005US 2005/0133944 A1Owens Corning Fiberglas Technology, Inc.
Most cited
By later US patents
- Process and apparatus for producing foamed synthetic resin bodies56US 4,487,731 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1984
- Process for preparing extruded foam bodies25US 5,120,481 AU.C. Industries · 1992
- Apparatus for producing thermoplastic resin foam22US 4,626,183 ASekisui Kaseihin Kogyo Kabushiki Kaisha · 1986
- Foam extrusion apparatus21US 6,113,374 AOwens Corning Fiberglass Technology, Inc. · 2000
- Method of removing an article from a chamber having a reduced pressure therein20US 4,044,084 A1977