B29C 48/2561
Mounting or handling of the screw
Official title: {Mounting or handling of the screw}
B29C48/2561 (Mounting or handling of the screw) appears on 47 US grants and 37 published applications in this corpus.
Search patents in B29C- Granted patents
- 47
- Published applications
- 37
- Assignees
- 45
- Inventors
- 107
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 3 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Screw element having an axially asymmetrical screw profile which has at least two construction points located within the screw profile29 Jul 2025US 12,370,510 B2Covestro Intellectual Property GmbH & Co.KG
- Twin-screw dry granulation for producing solid formulations31 Dec 2024US 12,178,912 B2R.P. Scherer Technologies, LLC
- Extruder screw handling device19 Mar 2024US 11,930,793 B2Buhler AG
- Twin-screw dry granulation for producing solid formulations20 Dec 2022US 11,529,313 B2R.P. Scherer Technologies, LLC
- Extruder with planetary roller section for cooling melts20 Sep 2022US 11,446,617 B2Entex Rust & Mitschke GmbH
- Extruder screw5 Feb 2026US 2026/0034715 A1Leistritz Extrusionstechnik GmbH
- Extruder screw and procedure to manufacture the same24 Jul 2025US 2025/0236059 A1
- Screw construction inference device, screw construction inference method, and computer program26 Jun 2025US 2025/0208056 A1The Japan Steel Works, Ltd.
- Screw piece assembly error detecting device, screw piece assembly error detecting method, and computer program19 Jun 2025US 2025/0196424 A1
- Extrusion Processes1 May 2025US 2025/0135684 A1
Most cited
By later US patents
- Method for mounting and removing screws of an extrusion machine11US 4,839,955 AClextral · 1989
- Drive apparatus for a plastics processing machine11US 7,112,902 B2Siemens Aktiengesellschaft · 2006
- Screw extrusion press having barrel temperature control means10US 4,643,660 AHerman Berstorff Maschinenbau GmbH · 1987
- Machine for rebuilding drive shafts9US 4,594,757 A1986
- Worm feed extruder for processing synthetics, rubber and like materials8US 4,289,410 AHermann Berstorff Maschinenbau GmbH · 1981