Charles W. Hull
84Patents
50h-index
77Co-inventors
91Inventor score
Filing activity: Feb 13, 1975 → Apr 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4575330A | Apparatus for production of three-dimensional objects by stereolithography | Physics | 1,429 | Expired |
| US5130064A | Method of making a three dimensional object by stereolithography | Physics | 469 | Expired |
| US5236637A | Method of and apparatus for production of three dimensional objects by stereolithography | Emerging Cross-Sectional Technologies | 388 | Expired |
| US5902537A | Rapid recoating of three-dimensional objects formed on a cross-sectional basis | Performing Operations; Transporting | 307 | Expired |
| US6193923A | Selective deposition modeling method and apparatus for forming three-dimensional objects and supports | Performing Operations; Transporting | 275 | Expired |
| US5248456A | Method and apparatus for cleaning stereolithographically produced objects | Emerging Cross-Sectional Technologies | 275 | Expired |
| US5192559A | Apparatus for building three-dimensional objects with sheets | Emerging Cross-Sectional Technologies | 243 | Expired |
| US5447822A | Apparatus and related method for forming a substantially flat stereolithographic working surface | Performing Operations; Transporting | 198 | Expired |
| US4929402A | Method for production of three-dimensional objects by stereolithography | Physics | 171 | Expired |
| US5104592A | Method of and apparatus for production of three-dimensional objects by stereolithography with reduced curl | Physics | 157 | Expired |
| US5059359A | Methods and apparatus for production of three-dimensional objects by stereolithography | Physics | 141 | Expired |
| US5184307A | Method and apparatus for production of high resolution three-dimensional objects by stereolithography | Physics | 131 | Expired |
| US6270335A | Selective deposition modeling method and apparatus for forming three-dimensional objects and supports | Performing Operations; Transporting | 123 | Expired |
| US4999143A | Methods and apparatus for production of three-dimensional objects by stereolithography | Physics | 122 | Expired |
| US7077638B2 | Selective deposition modeling method and apparatus for forming three-dimensional objects and supports | Performing Operations; Transporting | 121 | Expired |
| US5569431A | Method and apparatus for production of three-dimensional objects by stereolithography | Emerging Cross-Sectional Technologies | 121 | Expired |
| US5256340A | Method of making a three-dimensional object by stereolithography | Emerging Cross-Sectional Technologies | 115 | Expired |
| US5137662A | Method and apparatus for production of three-dimensional objects by stereolithography | Physics | 115 | Expired |
| US5345391A | Method and apparatus for production of high resolution three-dimensional objects by stereolithography | Physics | 114 | Expired |
| US6660209B2 | Selective deposition modeling method and apparatus for forming three-dimensional objects and supports | Performing Operations; Transporting | 113 | Expired |
| US5651934A | Recoating of stereolithographic layers | Emerging Cross-Sectional Technologies | 112 | Expired |
| US5182055A | Method of making a three-dimensional object by stereolithography | Emerging Cross-Sectional Technologies | 110 | Expired |
| US6508971B2 | Selective deposition modeling method and apparatus for forming three-dimensional objects and supports | Performing Operations; Transporting | 110 | Expired |
| US5630981A | Method for production of three-dimensional objects by stereolithography | Emerging Cross-Sectional Technologies | 109 | Expired |
| US5234636A | Methods of coating stereolithographic parts | Electricity | 97 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.