B29C 48/681
For single screws
Official title: {for single screws}
B29C48/681 (For single screws) appears on 51 US grants and 61 published applications in this corpus.
Search patents in B29C- Granted patents
- 51
- Published applications
- 61
- Assignees
- 54
- Inventors
- 147
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 2 | 6 |
| 2016 | 4 | 2 |
| 2017 | 3 | 6 |
| 2018 | 3 | 2 |
| 2019 | 1 | 4 |
| 2020 | 2 | 5 |
| 2021 | 3 | 1 |
| 2022 | 1 | 4 |
| 2023 | 4 | 7 |
| 2024 | 5 | 5 |
| 2025 | 6 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machine for applying hot-melt products19 May 2026US 12,629,878 B2Focke Meler Gluing Solutions, S.A.
- Reciprocating injection unit7 Apr 2026US 12,594,711 B2Uniloy, Inc.
- Single-screw extruder2 Sep 2025US 12,403,430 B2Battenfeld-Cincinnati Germany GmbH
- Apparatus and methods for manufacturing biodegradable, compostable, drink straws from polyhydroxyalkanoate material15 Jul 2025US 12,358,199 B2New WinCup Holdings, Inc.
- Extrusion system11 Feb 2025US 12,219,982 B2Frazer-Nash Manufacturing Limited
- Extruder barrel with separable liner and method of refurbishment18 Jun 2026US 2026/0166801 A1Xaloy, Inc.
- Extruder barrel and method of refurbishment2 Oct 2025US 2025/0303627 A1Xaloy, Inc.
- Dynamic mixing device for a fluid, extruder having a mixing device of this kind, and method for operating a dynamic mixing device for a fluid25 Sep 2025US 2025/0296272 A1BB Engineering GmbH
- Biodegradable thermoplastic blend compositions with modified starch-induced force recovery properties and methods of production thereof10 Jul 2025US 2025/0223434 A1
- Apparatus and methods for manufacturing biodegradable, compostable, drink straws from polyhydroxyalkanoate material8 May 2025US 2025/0144866 A1New WinCup Holdings, Inc.
Most cited
By later US patents
- Water absorbing agent, manufacturing method thereof, and manufacturing machine thereof69US 6,071,976 ANippon Shokubai Co., Ltd. · 2000
- Continuous mixing feeder28US 6,099,159 AThe Japan Steel Works, Ltd. · 2000
- Method and apparatus for extrusion of food products including back pressure valve/diverter27US 6,773,739 B2Wenger Manufacturing, Inc. · 2004
- Polymeric composites18US 8,722,773 B2Weyerhaeuser NR Company · 2014
- Screw refiner16US 4,963,033 AWenger Manufacturing, Inc. · 1990