3D Printing Related Patents - 1989 to 1998

Citing Patent	Filing date	Publication date	Applicant	Title
US5204055 *	Dec 8, 1989	Apr 20, 1993	Massachusetts Institute Of Technology	Three-dimensional printing techniques
US5204823 *	Mar 20, 1991	Apr 20, 1993	Calcomp Inc.	Method and apparatus for high-speed layer thickness curing in 3-D model making
US5216616 *	Dec 1, 1989	Jun 1, 1993	Masters William E	System and method for computer automated manufacture with reduced object shape distortion
US5257657 *	Jul 8, 1992	Nov 2, 1993	Incre, Inc.	Method for producing a free-form solid-phase object from a material in the liquid phase
US5285579 *	Feb 14, 1991	Feb 15, 1994	Jobs S.P.A.	Tridimensional multifunction plotter
US5303141 *	Mar 22, 1993	Apr 12, 1994	International Business Machines Corporation	Model generation system having closed-loop extrusion nozzle positioning
US5319568 *	Jul 30, 1991	Jun 7, 1994	Jesco Products Co., Inc.	Material dispensing system
US5340433 *	Jun 8, 1992	Aug 23, 1994	Stratasys, Inc.	Modeling apparatus for three-dimensional objects
US5340656 *	Apr 9, 1993	Aug 23, 1994	Massachusetts Institute Of Technology	Three-dimensional printing techniques
US5387380 *	Jun 5, 1992	Feb 7, 1995	Massachusetts Institute Of Technology	Three-dimensional printing techniques
US5398193 *	Aug 20, 1993	Mar 14, 1995	Deangelis; Alfredo O.	Method of three-dimensional rapid prototyping through controlled layerwise deposition/extraction and apparatus therefor
US5402351 *	Jan 18, 1994	Mar 28, 1995	International Business Machines Corporation	Model generation system having closed-loop extrusion nozzle positioning
US5490882 *	Nov 30, 1992	Feb 13, 1996	Massachusetts Institute Of Technology	Process for removing loose powder particles from interior passages of a body
US5501824 *	Nov 8, 1993	Mar 26, 1996	3D Systems, Inc.	Thermal stereolithography
US5514232 *	Nov 24, 1993	May 7, 1996	Burns; Marshall	Method and apparatus for automatic fabrication of three-dimensional objects
US5514519 *	Apr 7, 1994	May 7, 1996	Spectra Group Limited, Inc.	Production of three-dimensional objects
US5537326 *	Sep 12, 1994	Jul 16, 1996	Fish; Randall C.	System for manufacturing parts for a functional device such as a cyclone
US5555176 *	Oct 19, 1994	Sep 10, 1996	Bpm Technology, Inc.	Apparatus and method for making three-dimensional articles using bursts of droplets
US5569349 *	Jun 5, 1995	Oct 29, 1996	3D Systems, Inc.	Thermal stereolithography
US5572431 *	Oct 19, 1994	Nov 5, 1996	Bpm Technology, Inc.	Apparatus and method for thermal normalization in three-dimensional article manufacturing
US5578227 *	Aug 30, 1993	Nov 26, 1996	Rabinovich; Joshua E.	Rapid prototyping system
US5583973 *	Sep 17, 1993	Dec 10, 1996	Trustees Of Boston University	Molecular modeling method and system
US5587913 *	Oct 12, 1994	Dec 24, 1996	Stratasys, Inc.	Method employing sequential two-dimensional geometry for producing shells for fabrication by a rapid prototyping system
US5590454 *	Dec 21, 1994	Jan 7, 1997	Richardson; Kendrick E.	Method and apparatus for producing parts by layered subtractive machine tool techniques
US5622216 *	Nov 22, 1994	Apr 22, 1997	Brown; Stuart B.	Method and apparatus for metal solid freeform fabrication utilizing partially solidified metal slurry
US5633021 *	Oct 19, 1994	May 27, 1997	Bpm Technology, Inc.	Apparatus for making a three-dimensional article
US5658520 *	Aug 16, 1995	Aug 19, 1997	Hards; John E.	Methods of forming objects by depositing flowable material
US5660621 *	Dec 29, 1995	Aug 26, 1997	Massachusetts Institute Of Technology	Binder composition for use in three dimensional printing
US5672312 *	Jun 5, 1995	Sep 30, 1997	3D Systems, Inc.	Thermal stereolithography
US5672380 *	Apr 10, 1995	Sep 30, 1997	Cca Inc.	Method for production of patterned shaped articles
US5677107 *	May 6, 1996	Oct 14, 1997	Spectra Group Limited, Inc.	Production of three-dimensional objects
US5695707 *	May 15, 1995	Dec 9, 1997	3D Systems, Inc.	Thermal stereolithography
US5700406 *	Apr 26, 1996	Dec 23, 1997	Bpm Technology, Inc.	Process of and apparatus for making a three-dimensional article
US5709905 *	Jan 28, 1997	Jan 20, 1998	Motorola, Inc.	Apparatus and method for automatic monitoring and control of stencil printing
US5717599 *	Oct 19, 1994	Feb 10, 1998	Bpm Technology, Inc.	Apparatus and method for dispensing build material to make a three-dimensional article
US5738817 *	Feb 8, 1996	Apr 14, 1998	Rutgers, The State University	Solid freeform fabrication methods
US5740051 *	Nov 8, 1995	Apr 14, 1998	Sanders Prototypes, Inc.	3-D model making
US5764521 *	Nov 13, 1995	Jun 9, 1998	Stratasys Inc.	Method and apparatus for solid prototyping
US5775402 *	Oct 31, 1995	Jul 7, 1998	Massachusetts Institute Of Technology	Enhancement of thermal properties of tooling made by solid free form fabrication techniques
US5776409 *	Sep 1, 1994	Jul 7, 1998	3D Systems, Inc.	Thermal stereolithograp using slice techniques
US5784279 *	Sep 29, 1995	Jul 21, 1998	Bpm Technology, Inc.	Apparatus for making three-dimensional articles including moving build material reservoir and associated method
US5807437 *	Feb 5, 1996	Sep 15, 1998	Massachusetts Institute Of Technology	Three dimensional printing system
US5814161 *	Feb 12, 1996	Sep 29, 1998	Massachusetts Institute Of Technology	Ceramic mold finishing techniques for removing powder
US5818149 *	Mar 25, 1996	Oct 6, 1998	Rutgers, The State University Of New Jersey	Ceramic composites and methods for producing same
US5818718 *	Apr 1, 1996	Oct 6, 1998	University Of Utah Research Foundation	Higher order construction algorithm method for rapid prototyping
US5833914 *	Dec 22, 1994	Nov 10, 1998	K-Net Systems, Inc.	Apparatus and method of laminate molding using releaser
US5851465 *	Aug 21, 1997	Dec 22, 1998	Massachusetts Institute Of Technology	Binder composition for use in three dimensional printing
US5855836 *	Jun 12, 1997	Jan 5, 1999	3D Systems, Inc.	Method for selective deposition modeling
US5866058 *	May 29, 1997	Feb 2, 1999	Stratasys Inc.	Method for rapid prototyping of solid models
US5881796 *	Oct 17, 1996	Mar 16, 1999	Semi-Solid Technologies Inc.	Apparatus and method for integrated semi-solid material production and casting
US5887640 *	Oct 4, 1996	Mar 30, 1999	Semi-Solid Technologies Inc.	Apparatus and method for semi-solid material production
US5893404 *	Sep 20, 1996	Apr 13, 1999	Semi Solid Technologies Inc.	Method and apparatus for metal solid freeform fabrication utilizing partially solidified metal slurry
US5894036 *	Jun 10, 1997	Apr 13, 1999	Tylko; Marek K.	Three-dimensional plotter
US5900207 *	May 20, 1997	May 4, 1999	Rutgers, The State University Old Queens	Solid freeform fabrication methods
US5906863 *	Apr 26, 1996	May 25, 1999	Lombardi; John	Methods for the preparation of reinforced three-dimensional bodies
US5932290 *	Sep 26, 1997	Aug 3, 1999	Advanced Ceramics Research	Methods for the preparation of three-dimensional bodies
US5936861 *	Aug 15, 1997	Aug 10, 1999	Nanotek Instruments, Inc.	Apparatus and process for producing fiber reinforced composite objects
US5939008 *	Jan 26, 1998	Aug 17, 1999	Stratasys, Inc.	Rapid prototyping apparatus