G03G 15/224
Machines for forming tactile or three dimensional images by electrographic means
Official title: {Machines for forming tactile or three dimensional images by electrographic means, e.g. braille, 3d printing}
G03G15/224 (Machines for forming tactile or three dimensional images by electrographic means) appears on 215 US grants and 298 published applications in this corpus.
Search patents in G03G- Granted patents
- 215
- Published applications
- 298
- Assignees
- 69
- Inventors
- 395
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 3 |
| 2009 | 4 | 4 |
| 2010 | 2 | 2 |
| 2011 | 3 | 2 |
| 2012 | 1 | 13 |
| 2013 | 6 | 16 |
| 2014 | 13 | 21 |
| 2015 | 10 | 27 |
| 2016 | 11 | 22 |
| 2017 | 19 | 55 |
| 2018 | 32 | 30 |
| 2019 | 25 | 20 |
| 2020 | 20 | 30 |
| 2021 | 23 | 11 |
| 2022 | 11 | 10 |
| 2023 | 10 | 9 |
| 2024 | 9 | 5 |
| 2025 | 1 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Three-dimensional printed composite articles4 Aug 2026US 12,697,798 B2Impossible Objects, Inc.
- Water dispersible polymer for use in additive manufacturing12 May 2026US 12,624,161 B2Stratasys, Inc.
- Image forming apparatus with antimicrobial toner10 Feb 2026US 12,547,108 B2Canon Kabushiki Kaisha
- Apparatus and methods for dispensing powder22 Apr 2025US 12,280,541 B2Alchemie Technology Limited
- GPU material assignment for 3D printing using 3D distance fields22 Oct 2024US 12,125,134 B2Stratasys, Inc.
- Additive manufacturing system and method with improved structure4 Dec 2025US 2025/0367873 A1
- Additive manufacturing system and method with smooth surface27 Feb 2025US 2025/0065559 A1
- Image forming apparatus30 Jan 2025US 2025/0036058 A1Canon Kabushiki Kaisha
- Method for printing three-dimensional parts with crystallization kinetics control16 Jan 2025US 2025/0018641 A1Stratasys, Inc.
- Method for fabricating three-dimensional printed composites26 Dec 2024US 2024/0424729 A1Impossible Objects, Inc.
Most cited
By later US patents
- Three dimensional modelling apparatus343US 4,961,154 AScitex Corporation Ltd. · 1990
- Layer manufacturing using electrostatic imaging and lamination190US 6,376,148 B1Nanotek Instruments, Inc. · 2002
- Automated manufacturing system using thin sections188US 5,088,047 A1992
- Solid freeform fabrication using power deposition163US 6,066,285 AUniversity of Florida · 2000
- Apparatus of fabricating 3 dimensional objects by means of electrophotography, ionography or a similar process162US 6,206,672 B12001