B29C 2049/467
Created by thermal expansion of enclosed amount of gas
Official title: {created by thermal expansion of enclosed amount of gas, e.g. heating enclosed air in preforms or parisons}
B29C2049/467 (Created by thermal expansion of enclosed amount of gas) appears on 4 US grants and 1 published applications in this corpus.
Search patents in B29C- Granted patents
- 4
- Published applications
- 1
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 6 Jul 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Blow molding method, blow molded product and blow molding mold6 Jul 2004US 6,759,003 B1Idemitsu Petrochemical Co., Ltd.
- Apparatus for extrusion molding utilizing clamping devices and means for releasing compressed air18 Jun 2002US 6,406,288 B2
- Extrusion molding process and the related apparatus28 May 2002US 6,395,217 B1
- Extrusion molding process and apparatus22 Feb 2000US 6,027,683 A
Most cited
By later US patents