B29C 64/321
Feeding
B29C64/321 (Feeding) appears on 1,222 US grants and 2,080 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,222
- Published applications
- 2,080
- Assignees
- 692
- Inventors
- 3,291
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 6 |
| 2010 | 1 | 3 |
| 2011 | 6 | 8 |
| 2012 | 2 | 5 |
| 2013 | 3 | 8 |
| 2014 | 2 | 18 |
| 2015 | 11 | 29 |
| 2016 | 11 | 34 |
| 2017 | 29 | 116 |
| 2018 | 34 | 167 |
| 2019 | 72 | 159 |
| 2020 | 108 | 242 |
| 2021 | 151 | 292 |
| 2022 | 164 | 272 |
| 2023 | 179 | 188 |
| 2024 | 167 | 208 |
| 2025 | 166 | 179 |
| 2026 | 104 | 137 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid and powder material handling systems within additive manufacturing and methods for their use6 Oct 2026US 12,752,489 B2General Electric Company
- System and method for additive manufacturing of an object with foam infill material29 Sep 2026US 12,746,719 B2Accenture Global Solutions Limited
- AI enabled 3D printing for controlled microstructure through insulation integration29 Sep 2026US 12,746,727 B2International Business Machines Corporation
- Series enabled multi-material extrusion technology29 Sep 2026US 12,747,129 B2Mosaic Manufacturing Ltd.
- Vat for 3D printers handling high viscosity resins22 Sep 2026US 12,741,417 B23D Controls Inc.
- Modular Storage Device and Filament Outlet8 Oct 2026US 2026/0307331 A1FabNotion Limited
- Three-dimensional shaping apparatus8 Oct 2026US 2026/0307334 A1Seiko Epson Corporation
- Three-Dimensional Object Printing Apparatus And Head Unit1 Oct 2026US 2026/0295938 A1Seiko Epson Corporation
- Multi-Channel Hotend1 Oct 2026US 2026/0295942 A1
- Powder hopper for additive manufacturing system1 Oct 2026US 2026/0295943 A1VulcanForms Inc.
Most cited
By later US patents
- Additive manufacturing of active devices using dielectric, conductive and magnetic materials323US 10,254,499 B1Southern Methodist University · 2019
- Method of three-dimensional rapid prototyping through controlled layerwise deposition/extraction and apparatus therefor270US 5,398,193 A1995
- Methods for fiber reinforced additive manufacturing188US 9,370,896 B2Markforged, Inc. · 2016
- Melt flow compensation in an extrusion apparatus182US 6,547,995 B1Stratasys, Inc. · 2003
- Apparatus for fiber reinforced additive manufacturing172US 9,579,851 B2Markforged, Inc. · 2017