1
Thomas A Almquist, Charles W Hull, Jeffrey S Thayer, Richard N Leyden, Paul F Jacobs, Dennis R Smalley: Rapid recoating of three-dimensional objects formed on a cross-sectional basis. 3D Systems, Dennis R Smalley, Forrest L Collins, May 11, 1999: US05902537 (169 worldwide citation)

Methods and apparatus for use in building three-dimensional objects on substantially a cross-sectional basis including methods and apparatus for forming successive layers using counter-rotating rollers, ink jet recoaters, spinning members which sling material, applicator bars that dispense material ...


2
Richard N Leyden, Jeffrey S Thayer, Bryan J L Bedal, Thomas A Almquist, Charles W Hull, Jocelyn M Earl, Thomas A Kerekes, Dennis R Smalley, Christian M Merot, Richard P Fedchenko, Michael S Lockard, Thomas H Pang, Dinh Ton That: Selective deposition modeling method and apparatus for forming three-dimensional objects and supports. 3D Systems, Ralph D&apos Alessandro, February 27, 2001: US06193923 (147 worldwide citation)

A variety of support structures and build styles for use in Rapid Prototyping and Manufacturing systems are described wherein particular emphasis is given to Thermal Stereolithography, Fused Deposition Modeling, and Selective Deposition Modeling systems, and wherein a 3D modeling system is presented ...


3
Herbert E Evans Jr, Ernest W Ertley, Charles W Hull, Richard N Leyden: Method and apparatus for cleaning stereolithographically produced objects. 3D Systems, Lyon & Lyon, September 28, 1993: US05248456 (120 worldwide citation)

An improved stereolithographic apparatus and method is described. In one embodiment, the improvement includes immersing at least a portion of a part in a volume of a liquid solvent in a vapor degreaser while subjecting the portion to ultrasonic agitation to substantially remove excess resin. Several ...


4
Richard N Leyden, Thomas A Almouist, Mark A Lewis, Hop D Nguyen: Stereolithography method and apparatus. 3D Systems, Lyon & Lyon, September 1, 1992: US05143663 (117 worldwide citation)

An improved stereolithographic apparatus and method is described. In one embodiment, the improvement includes immersing at least a portion of a part in a volume of a liquid solvent in a vapor degreaser while subjecting the portion to ultrasonic agitation to substantially remove excess resin. Several ...


5
Richard N Leyden, Jeffrey S Thayer, Bryan J L Bedal, Thomas A Almquist, Charles W Hull, Jocelyn M Earl, Thomas A Kerekes, Dennis R Smalley, Christian M Merot, Richard P Fedchenko, Michael S Lockard, Thomas H Pang, Dinh Ton That: Selective deposition modeling method and apparatus for forming three-dimensional objects and supports. 3D Systems, Ralph D&apos Alessandro, January 21, 2003: US06508971 (80 worldwide citation)

A variety of support structures and build styles for use in Rapid Prototyping and Manufacturing systems are described wherein particular emphasis is given to Thermal Stereolithography, Fused Deposition Modeling, and Selective Deposition Modeling systems, and wherein a 3D modeling system is presented ...


6
Jeffrey S Thayer, Thomas A Almquist, Christian M Merot, Bryan J L Bedal, Richard N Leyden, Keith Denison, John S Stockwell, Anthony L Caruso, Michael S Lockard: Selective deposition modeling system and method. 3D Systems, Ralph D&apos Alessandro, October 23, 2001: US06305769 (73 worldwide citation)

A system and associated method for forming three-dimensional objects under computer control and from a material which may be rendered flowable and then dispensed on a layer-by-layer basis. The layers of the material solidify or otherwise physically transform upon being dispensed thereby forming succ ...


7
Richard N Leyden, Jeffrey S Thayer, Bryan J L Bedal, Thomas A Almquist, Charles W Hull, Jocelyn M Earl, Thomas A Kerekes, Dennis R Smalley, Christian M Merot, Richard P Fedchenko, Michael S Lockard, Thomas H Pang, Dinh Ton That: Selective deposition modeling method and apparatus for forming three-dimensional objects and supports. 3D Systems, Ralph D Alessandro, July 18, 2006: US07077638 (72 worldwide citation)

A variety of support structures and build styles for use in Rapid Prototyping and Manufacturing systems are described wherein particular emphasis is given to Thermal Stereolithography, Fused Deposition Modeling, and Selective Deposition Modeling systems, and wherein a 3D modeling system is presented ...


8
Richard N Leyden, Charles W Hull: Method for selective deposition modeling. 3D Systems, Michael J Ram, Dennis R Smalley, Loeb & Loeb, January 5, 1999: US05855836 (64 worldwide citation)

A novel thermopolymer material adapted for use in thermal stereolithography. More particularly, a thermopolymer material comprising a mixture of: a low shrinkage polymer resin; a low viscosity material such as paraffin wax; at least one microcrystalline wax; a toughening polymer, a plasticizer. Alte ...


9
Richard N Leyden, Jeffrey S Thayer, Bryan J L Bedal, Thomas A Almquist, Charles W Hull, Jocelyn M Earl, Thomas A Kerekes, Dennis R Smalley, Christian M Merot, Richard P Fedchenko, Michael S Lockard, Thomas H Pang, Dinh Ton That: Selective deposition modeling method and apparatus for forming three-dimensional objects and supports. 3D Systems, Ralph D&apos Alessandro, December 9, 2003: US06660209 (61 worldwide citation)

A variety of support structures and build styles for use in Rapid Prototyping and Manufacturing systems are described wherein particular emphasis is given to Thermal Stereolithography, Fused Deposition Modeling, and Selective Deposition Modeling systems, and wherein a 3D modeling system is presented ...


10
Richard N Leyden, Jeffrey S Thayer, Bryan J L Bedal, Thomas A Almquist, Charles W Hull, Jocelyn M Earl, Thomas A Kerekes, Christian M Merot, Richard P Fedchenko, Michael S Lockard, Thomas H Pang: Selective deposition modeling method and apparatus for forming three-dimensional objects and supports. 3D Systems, Ralph D&apos Alessandro, August 7, 2001: US06270335 (57 worldwide citation)

A variety of support structures and build styles for use in Rapid Prototyping and Manufacturing systems are described wherein particular emphasis is given to Thermal Stereolithography, Fused Deposition Modeling, and Selective Deposition Modeling systems, and wherein a 3D modeling system is presented ...