Inventor · McLeansboro, IL, US

John T. Clarke

47Patents
14h-index
52Co-inventors
84Inventor score

Filing activity: Dec 30, 1974 → Apr 11, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4277428A Post-press molding of man-made boards to produce contoured furniture parts Performing Operations; Transporting 106 Expired
US5470631A Flat oriented strand board-fiberboard composite structure and method of making the same Emerging Cross-Sectional Technologies 65 Expired
US7306625B1 Balloon expandable stent Human Necessities 54 Expired
US5718786A Flat oriented strand board-fiberboard composite structure and method of making the same Emerging Cross-Sectional Technologies 54 Expired
US5525394A Oriented strand board-fiberboard composite structure and method of making the same Emerging Cross-Sectional Technologies 44 Expired
US5425976A Oriented strand board-fiberboard composite structure and method of making the same Emerging Cross-Sectional Technologies 44 Expired
US4007076A Post-press embossing of a consolidated man-made board Emerging Cross-Sectional Technologies 37 Expired
US10463833B2 Flushable catheters Human Necessities 26 Active
US4175148A Product containing high density skins on a low density core and method of manufacturing same Emerging Cross-Sectional Technologies 20 Expired
US4268565A Post-press molding of man-made boards to produce contoured furniture parts Emerging Cross-Sectional Technologies 19 Expired
US5306539A Scored fiberboard having improved moldability Emerging Cross-Sectional Technologies 19 Expired
US10569047B2 Water disintegrable flushable catheter Human Necessities 17 Active
US10426918B2 Flushable catheters Human Necessities 16 Active
US4283450A Product containing high density skins Emerging Cross-Sectional Technologies 15 Expired
US4305989A Product containing high density skins on a low density core and method of manufacturing same Emerging Cross-Sectional Technologies 13 Expired
US4175150A Urea containing high density skin fiberboard with a low density core Emerging Cross-Sectional Technologies 12 Expired
US5489460A Molded non-planar board and method and apparatus for making same Emerging Cross-Sectional Technologies 11 Expired
US4175106A Post press molding of man-made boards to produce contoured furniture parts Performing Operations; Transporting 11 Expired
US4175105A Post-press molding of man-made boards to produce contoured furniture parts Emerging Cross-Sectional Technologies 9 Expired
US10420859B2 Flushable catheters Human Necessities 8 Active
US4687612A Heat treating thermoplastic sheet materials for thermo-forming Performing Operations; Transporting 8 Expired
US4169748A Post-press embossing of a consolidated man-made board Emerging Cross-Sectional Technologies 7 Expired
US4073672A Post-press embossing of a consolidated man-made board Emerging Cross-Sectional Technologies 6 Expired
US7794775B2 Balloon expandable stent Human Necessities 4 Active
US4275027A Post-press molding of man-made boards to produce contoured furniture parts Performing Operations; Transporting 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.