B29C 44/505
Extruding the compound through a flat die
Official title: {extruding the compound through a flat die (in general B29C48/03)}
B29C44/505 (Extruding the compound through a flat die) appears on 135 US grants and 102 published applications in this corpus.
Search patents in B29C- Granted patents
- 135
- Published applications
- 102
- Assignees
- 86
- Inventors
- 393
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 15 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 5 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 4 |
| 2012 | 2 | 2 |
| 2013 | 3 | 4 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 4 | 9 |
| 2017 | 2 | 11 |
| 2018 | 0 | 10 |
| 2019 | 8 | 5 |
| 2020 | 4 | 3 |
| 2021 | 6 | 7 |
| 2022 | 1 | 9 |
| 2023 | 5 | 8 |
| 2024 | 4 | 3 |
| 2025 | 2 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface finish manufacturing system and process12 May 2026US 12,623,391 B2Eva Last Hong Kong Limited
- Method of making flat foam sheet comprising recycled pet and the product resulting therefrom24 Mar 2026US 12,583,203 B2MuCell Extrusion, LLC
- Pressure collapsible closed cellular swell packer17 Mar 2026US 12,577,848 B2Halliburton Energy Services.Inc.
- Anisotropic thin foamed polyethylene sheet and applications thereof13 Jan 2026US 12,521,921 B2MuCell Extrusion, LLC
- Polyvinyl chloride (PVC) foamed ceiling panel and fabrication method thereof1 Jul 2025US 12,344,722 B2Bodo Plastics Co., Ltd.
- Anisotropic thin foamed polyethylene sheet and applications thereof20 Aug 2026US 2026/0241618 A1MuCell Extrusion, LLC
- Decorative panel and method for producing a panel25 Jun 2026US 2026/0175534 A1Champion Link International Corporation
- Method for preparing a foamed floor with wood texture4 Sep 2025US 2025/0277376 A1Anhui Sentai WPC-TEC Flooring Co., Ltd.
- Decorative panel and method for producing a panel10 Apr 2025US 2025/0115024 A1Champion Link International Corporation
- Co-extruded sheet and resin-molded product30 Jan 2025US 2025/0033336 A1Maxell, Ltd.
Most cited
By later US patents
- Microcellular closed cell foams and their method of manufacture215US 4,473,665 AMassachusetts Institute of Technology · 1984
- Absorbent, extruded thermoplastic foams85US 6,071,580 AThe Dow Chemical Company · 2000
- Method for producing microcellular foamed plastic material with smooth integral skin74US 4,761,256 AEastman Kodak Company · 1988
- Process for making sheet-formed reticulated fibrous structures64US 3,954,928 ATeijin Limited · 1976
- Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor56US 6,521,675 B1BP Corporation North America Inc. · 2003