B29C 48/252
Drive or actuation means
Official title: {Drive or actuation means; Transmission means; Screw supporting means}
B29C48/252 (Drive or actuation means) appears on 312 US grants and 307 published applications in this corpus.
Search patents in B29C- Granted patents
- 312
- Published applications
- 307
- Assignees
- 240
- Inventors
- 712
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 7 | 6 |
| 2003 | 6 | 7 |
| 2004 | 3 | 5 |
| 2005 | 0 | 9 |
| 2006 | 9 | 2 |
| 2007 | 4 | 7 |
| 2008 | 3 | 5 |
| 2009 | 7 | 7 |
| 2010 | 2 | 13 |
| 2011 | 7 | 10 |
| 2012 | 2 | 10 |
| 2013 | 8 | 14 |
| 2014 | 9 | 8 |
| 2015 | 12 | 23 |
| 2016 | 8 | 30 |
| 2017 | 18 | 11 |
| 2018 | 15 | 26 |
| 2019 | 17 | 21 |
| 2020 | 19 | 16 |
| 2021 | 9 | 14 |
| 2022 | 13 | 10 |
| 2023 | 14 | 21 |
| 2024 | 12 | 17 |
| 2025 | 14 | 8 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-shaft preparation unit for plastic melts12 May 2026US 12,623,375 B2Gneuss GmbH
- Screw machine28 Apr 2026US 12,611,810 B2Shibaura Machine Co., Ltd.
- Apparatus for adjusting the thickness of a resin film exiting an extrusion lip of a blown film extruder14 Apr 2026US 12,600,073 B2Electronic Systems S.P.A.
- Reciprocating injection unit7 Apr 2026US 12,594,711 B2Uniloy, Inc.
- Nozzle for extruding a material rich in protein and water, as well as an extrusion machine comprising such a nozzle3 Mar 2026US 12,564,993 B2Clextral
- Extrusion molding apparatus27 Aug 2026US 2026/0249537 A1The Japan Steel Works, Ltd.
- Extruder16 Jul 2026US 2026/0200159 A1The Japan Steel Works, Ltd.
- Filtering Apparatus28 May 2026US 2026/0145105 A1Maag Germany GmbH
- Extruder23 Apr 2026US 2026/0108856 A1Samsung SDI.Co., Ltd.
- Rotatable multi-nozzle extrusion system for 3d printing5 Mar 2026US 2026/0061700 A1Wayne State University
Most cited
By later US patents
- Control mechanism for end-effector maneuver245US 9,566,708 B22017
- Rapid prototyping system with controlled material feedstock176US 7,384,255 B2Stratasys, Inc. · 2008
- Three dimensional printing175US 10,076,876 B2Markforged, Inc. · 2018
- Method of manufacturing an object127US 9,770,876 B2Airbus Group SAS · 2017
- Planetary gear for a multiple-screw extruder67US 5,510,073 AEMS-Inventa AG · 1996