B29C 48/387
Using a screw extruder and a gear pump
Official title: {using a screw extruder and a gear pump}
B29C48/387 (Using a screw extruder and a gear pump) appears on 236 US grants and 231 published applications in this corpus.
Search patents in B29C- Granted patents
- 236
- Published applications
- 231
- Assignees
- 161
- Inventors
- 568
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 1 |
| 2002 | 6 | 7 |
| 2003 | 7 | 11 |
| 2004 | 8 | 12 |
| 2005 | 5 | 14 |
| 2006 | 5 | 10 |
| 2007 | 9 | 6 |
| 2008 | 9 | 9 |
| 2009 | 2 | 10 |
| 2010 | 1 | 17 |
| 2011 | 6 | 16 |
| 2012 | 8 | 8 |
| 2013 | 6 | 13 |
| 2014 | 8 | 3 |
| 2015 | 3 | 13 |
| 2016 | 8 | 10 |
| 2017 | 7 | 10 |
| 2018 | 12 | 7 |
| 2019 | 3 | 13 |
| 2020 | 5 | 11 |
| 2021 | 6 | 9 |
| 2022 | 4 | 7 |
| 2023 | 5 | 6 |
| 2024 | 6 | 4 |
| 2025 | 7 | 3 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Decorative panel and process for producing a panel26 May 2026US 12,636,866 B2CFL Holding Limited
- Method and device for processing polycondensates28 Apr 2026US 12,611,799 B2Sml Maschinengesellschaft M. B. H.
- Polyphenylene ether melt extrusion formed body and method for producing polyphenylene ether melt extrusion formed body31 Mar 2026US 12,590,182 B2TOYOBO MC Corporation
- Method and apparatus for forming tire components using a coextruded strip24 Mar 2026US 12,583,166 B2The Goodyear Tire & Rubber Company
- Method of making flat foam sheet comprising recycled pet and the product resulting therefrom24 Mar 2026US 12,583,203 B2MuCell Extrusion, LLC
- Decorative panel and process for producing a panel27 Aug 2026US 2026/0249597 A1CFL Holding Limited
- Resin processing apparatus, method of manufacturing resin pellets, and method of processing resin material11 Dec 2025US 2025/0375932 A1The Japan Steel Works, Ltd.
- Device and method for processing materials5 Jun 2025US 2025/0178241 A1EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.
- Decorative panel and process for producing a panel24 Apr 2025US 2025/0128503 A1CFL Holding Limited
- Method and device for recycling plastics19 Sep 2024US 2024/0308111 A1BB Engineering GmbH
Most cited
By later US patents
- Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process93US 5,945,460 AEastman Chemical Company · 1999
- Extruder viscosity control system and method88US 4,721,589 AHarrel, Inc. · 1988
- Articles that include a polymer foam and method for preparing same84US 6,103,152 A3M Innovative Properties Company · 2000
- Extruder for plastics74US 6,074,084 AGefinex-Jackson GmbH · 2000
- Continuous process of extruding and mechanically dispersing a polymeric resin in an aqueous or non-aqueous medium72US 6,512,024 B1Dow Global Technologies LLC · 2003