B29C 31/04
Feeding of the material to be moulded
Official title: Feeding {of the material to be moulded}, e.g. into a mould cavity {(B29C39/08 takes precedence; using a material distribution system to two or more fixed injection moulds B29C45/125)}
B29C31/04 (Feeding of the material to be moulded) appears on 1,063 US grants and 905 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,063
- Published applications
- 905
- Assignees
- 663
- Inventors
- 2,131
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 20 | 0 |
| 1982 | 9 | 0 |
| 1983 | 13 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 12 | 0 |
| 1990 | 23 | 0 |
| 1991 | 16 | 0 |
| 1992 | 15 | 0 |
| 1993 | 22 | 0 |
| 1994 | 18 | 0 |
| 1995 | 24 | 0 |
| 1996 | 15 | 0 |
| 1997 | 17 | 0 |
| 1998 | 31 | 0 |
| 1999 | 30 | 0 |
| 2000 | 21 | 0 |
| 2001 | 21 | 8 |
| 2002 | 17 | 24 |
| 2003 | 16 | 33 |
| 2004 | 18 | 39 |
| 2005 | 22 | 32 |
| 2006 | 20 | 27 |
| 2007 | 23 | 26 |
| 2008 | 15 | 23 |
| 2009 | 13 | 24 |
| 2010 | 12 | 24 |
| 2011 | 23 | 29 |
| 2012 | 24 | 30 |
| 2013 | 16 | 27 |
| 2014 | 18 | 32 |
| 2015 | 22 | 48 |
| 2016 | 28 | 53 |
| 2017 | 33 | 45 |
| 2018 | 45 | 77 |
| 2019 | 44 | 53 |
| 2020 | 47 | 51 |
| 2021 | 48 | 48 |
| 2022 | 38 | 50 |
| 2023 | 42 | 34 |
| 2024 | 47 | 28 |
| 2025 | 32 | 26 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for processing bulk material18 Aug 2026US 12,709,043 B2Coperion GmbH
- Imprint apparatus, imprint method, method of manufacturing article, determination method. and non-transitory computer-readable storage medium4 Aug 2026US 12,697,766 B2Canon Kabushiki Kaisha
- Pick and place end effector configured to form a kink9 Jun 2026US 12,649,274 B2The Boeing Company
- Apparatus and method for making objects from recycled polymeric material2 Jun 2026US 12,643,264 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Compression molding device2 Jun 2026US 12,643,268 B2Yamaha Robotics Co., Ltd.
- Method and apparatus for forming an object with a natural fibre-based substance23 Jul 2026US 2026/0208390 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Rack for preform and/or precast element manufacturing, manufacturing system and winch assistance device23 Jul 2026US 2026/0210334 A1
- Pick and Place End Effector Configured to Form a Kink16 Jul 2026US 2026/0200167 A1The Boeing Company
- Device, systems, and methods of applying a treatment solution to a treatment site11 Jun 2026US 2026/0158249 A1Octet Medical, Inc.
- Gas-based material compression and portioning21 May 2026US 2026/0138346 A1Altria Client Services LLC
Most cited
By later US patents
- Method of forming articles including waveguides via capillary micromolding and microtransfer molding512US 6,355,198 B1President and Fellows of Harvard College · 2002
- Molding process352US 4,247,508 AHico Western Products Co. · 1981
- Methods for composite filament fabrication in three dimensional printing348US 9,126,365 B1Markforged, Inc. · 2015
- Method and apparatus for producing a three-dimensional object303US 5,647,931 AEOS GmbH Electro Optical Systems · 1997
- Methods for composite filament fabrication in three dimensional printing261US 9,327,452 B2Markforged, Inc. · 2016