Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CH

Charles W. Hull

3S3D Systems: 76 patents #1 of 374Top 1%
STSeagate Technology: 1 patents #2,726 of 4,626Top 60%
UVUvp: 1 patents #10 of 16Top 65%
Santa Clarita, CA: #3 of 1,031 inventorsTop 1%
California: #3,334 of 386,348 inventorsTop 1%
Overall (All Time): #22,182 of 4,157,543Top 1%
81 Patents All Time

Issued Patents All Time

Showing 26–50 of 81 patents

Patent #TitleCo-InventorsDate
6600965 Method and apparatus for production of high resolution three-dimensional objects by stereolithography Stuart T. Spence, David J. Albert, Dennis R. Smalley, Richard A. Harlow, Phil Stinebaugh +5 more 2003-07-29
6508971 Selective deposition modeling method and apparatus for forming three-dimensional objects and supports Richard N. Leyden, Jeffrey S. Thayer, Bryan J. L. Bedal, Thomas A. Almquist, Jocelyn M. Earl +7 more 2003-01-21
6399010 Method and apparatus for stereolithographically forming three dimensional objects with reduced distortion Michelle D. Guertin, Hop D. Nguyen 2002-06-04
6366825 Simultaneous multiple layer curing in stereolithography Dennis R. Smalley, Thomas J. Vorgitch, Chris R. Manners, Jocelyn M. Earl, Bryan J. L. Bedal +1 more 2002-04-02
6270335 Selective deposition modeling method and apparatus for forming three-dimensional objects and supports Richard N. Leyden, Jeffrey S. Thayer, Bryan J. L. Bedal, Thomas A. Almquist, Jocelyn M. Earl +5 more 2001-08-07
6264873 Method of making a three-dimensional object by stereolithography John J. Gigl, Dennis R. Smalley, Jan Richter, Thomas H. Pang, Kerry J. Allen +4 more 2001-07-24
6261507 Method of and apparatus for making a three-dimensional object by stereolithography John J. Gigl, Dennis R. Smalley, Thomas H. Pang, Kerry J. Allen, Paul F. Jacobs +2 more 2001-07-17
6224816 Molding method, apparatus, and device including use of powder metal technology for forming a molding tool with thermal control elements Michael S. Lockard, Thomas A. Almquist 2001-05-01
6193923 Selective deposition modeling method and apparatus for forming three-dimensional objects and supports Richard N. Leyden, Jeffrey S. Thayer, Bryan J. L. Bedal, Thomas A. Almquist, Jocelyn M. Earl +7 more 2001-02-27
6153312 Apparatus and methods for economically fabricating molded refractory articles using refractory mix displacing elements Kris Schmidt, Paul F. Jacobs 2000-11-28
6133355 Selective deposition modeling materials and method Richard N. Leyden, Dinh Ton That 2000-10-17
6048487 Recoating stereolithographic layers Thomas A. Almquist, Borzo Modrek, Paul F. Jacobs, Charles W. Lewis, Adam L. Cohen +5 more 2000-04-11
6048188 Stereolithographic curl reduction Stuart T. Spence, Charles W. Lewis, Wayne Vinson, Raymond S. Freed, Dennis R. Smalley 2000-04-11
6036911 Method of making a three-dimensional object by stereolithography Joseph W. Allison, Jan Richter, Craig M. Childers, Dennis R. Smalley, Paul F. Jacobs 2000-03-14
6027324 Apparatus for production of three dimensional objects by stereolithography 2000-02-22
5989476 Process of making a molded refractory article Michael S. Lockard, Kris Schmidt 1999-11-23
5902537 Rapid recoating of three-dimensional objects formed on a cross-sectional basis Thomas A. Almquist, Jeffrey S. Thayer, Richard N. Leyden, Paul F. Jacobs, Dennis R. Smalley 1999-05-11
5891382 Recoating of stereolithographic layers Thomas A. Almquist, Borzo Modrek, Paul F. Jacobs, Charles W. Lewis, Adam L. Cohen +5 more 1999-04-06
5870307 Method and apparatus for production of high resolution three-dimensional objects by stereolithography Stuart T. Spence, David J. Albert, Dennis R. Smalley, Richard A. Harlow, Phil Stinebaugh +5 more 1999-02-09
5855836 Method for selective deposition modeling Richard N. Leyden 1999-01-05
5814265 Method and apparatus for production of three-dimensional objects by stereolithography 1998-09-29
5785918 Method and apparatus for production of three-dimensional objects by stereolithography 1998-07-28
5779967 Method and apparatus for production of three-dimensional objects by stereolithography 1998-07-14
5772947 Stereolithographic curl reduction Stuart T. Spence, Charles W. Lewis, Wayne Vinson, Raymond S. Freed, Dennis R. Smalley 1998-06-30
5762856 Method for production of three-dimensional objects by stereolithography 1998-06-09