Inventor
LEWIS CHARLES W
32 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS CHARLES W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3D SYSTEMS INC
15 patentsUS6048487AApr 11, 2000
Recoating stereolithographic layers
3D SYSTEMS INC100 citations99
US5651934AJul 29, 1997
Recoating of stereolithographic layers
3D SYSTEMS INC148 citations99
US5133987AJul 28, 1992
Stereolithographic apparatus and method
3D SYSTEMS INC165 citations99
US4999143AMar 12, 1991
Methods and apparatus for production of three-dimensional objects by stereolithography
3D SYSTEMS INC194 citations99
US5345391ASep 6, 1994
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC164 citations98
US5258146ANov 2, 1993
Method of and apparatus for measuring and controlling fluid level in stereolithography
3D SYSTEMS INC130 citations98
US5184307AFeb 2, 1993
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC220 citations98
US5174931ADec 29, 1992
Method of and apparatus for making a three-dimensional product by stereolithography
3D SYSTEMS INC203 citations98
US5104592AApr 14, 1992
Method of and apparatus for production of three-dimensional objects by stereolithography with reduced curl
3D SYSTEMS INC203 citations98
US6048188AApr 11, 2000
Stereolithographic curl reduction
3D SYSTEMS INC115 citations96
US5447822ASep 5, 1995
Apparatus and related method for forming a substantially flat stereolithographic working surface
3D SYSTEMS INC298 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
US5273691ADec 28, 1993
Stereolithographic curl reduction
3D SYSTEMS INC109 citations95
PPG INDUSTRIES INC
5 patentsUS4341576AJul 27, 1982
Fabricating laminated safety glass without an autoclave
PPG INDUSTRIES INC66 citations96
US4010311AMar 1, 1977
Impact-resistant glass-polyesterurethane laminates
PPG INDUSTRIES INC55 citations94
US4039720AAug 2, 1977
Laminated windshield with improved innerlayer
PPG INDUSTRIES INC35 citations92
US4153526AMay 8, 1979
Laminated windshield with improved innerlayer
PPG INDUSTRIES INC23 citations81
US4109055AAug 22, 1978
Laminated windshield with improved innerlayer
PPG INDUSTRIES INC4 citations62