B29C 44/5609
Purging of residual gas
Official title: {Purging of residual gas, e.g. noxious or explosive blowing agents}
B29C44/5609 (Purging of residual gas) appears on 77 US grants and 38 published applications in this corpus.
Search patents in B29C- Granted patents
- 77
- Published applications
- 38
- Assignees
- 54
- Inventors
- 131
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 1 | 4 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 3 | 5 |
| 2013 | 2 | 1 |
| 2014 | 3 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 3 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- System and method for gas bleed lines in composite part molding operations12 Oct 2021US 11,141,892 B2Hed Cycling Products, Inc.
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- Method of manufacturing vacuum heat insulator and vacuum heat insulator31 Mar 2022US 2022/0099236 A1Yazaki Energy System Corporation
- Method for manufacturing porous polysiloxane film, porous polysiloxane film manufactured thereby, and solar cell module comprising same17 Feb 2022US 2022/0052211 A1Posco
Most cited
By later US patents
- Method for producing microcellular foamed plastic material with smooth integral skin74US 4,761,256 AEastman Kodak Company · 1988
- Method of making a shock absorbing grip for golf clubs and the like47US 6,627,027 B22003
- Method and apparatus for recovering blowing agent in foam production42US 4,531,951 ACellu Products Company · 1985
- Polystyrene foam sheet manufacture41US 5,443,769 AOwens-Illinois Plastic Products Inc. · 1995
- Polystyrene foam sheet manufacture39US 5,925,450 AOwens-Illinois Plastic Products Inc. · 1999