Inventor
SPENCE STUART T
US28 patents
⚠️ This page may combine multiple inventors who share the name “SPENCE STUART T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3D SYSTEMS INC
19 patentsUS6048487AApr 11, 2000
Recoating stereolithographic layers
3D SYSTEMS INC100 citations99
US5651934AJul 29, 1997
Recoating of stereolithographic layers
3D SYSTEMS INC148 citations99
US5182056AJan 26, 1993
Stereolithography method and apparatus employing various penetration depths
3D SYSTEMS INC297 citations99
US5133987AJul 28, 1992
Stereolithographic apparatus and method
3D SYSTEMS INC165 citations99
US5059021AOct 22, 1991
Apparatus and method for correcting for drift in production of objects by stereolithography
3D SYSTEMS INC130 citations99
US5345391ASep 6, 1994
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC164 citations98
US5184307AFeb 2, 1993
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC220 citations98
US5104592AApr 14, 1992
Method of and apparatus for production of three-dimensional objects by stereolithography with reduced curl
3D SYSTEMS INC203 citations98
US5495328AFeb 27, 1996
Apparatus and method for calibrating and normalizing a stereolithographic apparatus
3D SYSTEMS INC127 citations97
US5123734AJun 23, 1992
Apparatus and method for calibrating and normalizing a stereolithographic apparatus
3D SYSTEMS INC134 citations97
US5058988AOct 22, 1991
Apparatus and method for profiling a beam
3D SYSTEMS INC114 citations97
US6048188AApr 11, 2000
Stereolithographic curl reduction
3D SYSTEMS INC115 citations96
US5267013ANov 30, 1993
Apparatus and method for profiling a beam
3D SYSTEMS INC79 citations96
US5164128ANov 17, 1992
Methods for curing partially polymerized parts
3D SYSTEMS INC67 citations96
US6600965B1Jul 29, 2003
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC64 citations95
US5870307AFeb 9, 1999
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC85 citations95
US5772947AJun 30, 1998
Stereolithographic curl reduction
3D SYSTEMS INC72 citations95
US5610824AMar 11, 1997
Rapid and accurate production of stereolithographic parts
3D SYSTEMS INC107 citations95
US5273691ADec 28, 1993
Stereolithographic curl reduction
3D SYSTEMS INC109 citations95
3 D SYSTEMS INC
3 patentsUS5059359AOct 22, 1991
Methods and apparatus for production of three-dimensional objects by stereolithography
3 D SYSTEMS INC193 citations97
US5137662AAug 11, 1992
Method and apparatus for production of three-dimensional objects by stereolithography
3 D SYSTEMS INC158 citations96
US5076974ADec 31, 1991
Methods of curing partially polymerized parts
3 D SYSTEMS INC91 citations95
DFR2000 INC
3 patentsUS6611293B2Aug 26, 2003
Method and apparatus for synchronization of ancillary information in film conversion
DFR2000 INC44 citations95
US6829012B2Dec 7, 2004
Method and apparatus for a digital parallel processor for film conversion
DFR2000 INC11 citations72
US6724420B2Apr 20, 2004
Portable film conversion device
DFR2000 INC1 citations51