Inventor · Lancaster, OH, US

Keith Joseph Stone

63Patents
21h-index
48Co-inventors
88Inventor score

Filing activity: Aug 12, 1991 → Mar 10, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5387207A Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same Chemistry; Metallurgy 1,101 Expired
US5260345A Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials Emerging Cross-Sectional Technologies 731 Expired
US5563179A Absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids Emerging Cross-Sectional Technologies 395 Expired
US5650222A Absorbent foam materials for aqueous fluids made from high internal phase emulsions having very high water-to-oil ratios Emerging Cross-Sectional Technologies 158 Expired
US5268224A Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials Emerging Cross-Sectional Technologies 118 Expired
US5331015A Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials Emerging Cross-Sectional Technologies 111 Expired
US5817704A Heterogeneous foam materials Emerging Cross-Sectional Technologies 56 Expired
US5652194A Process for making thin-wet absorbent foam materials for aqueous body fluids Chemistry; Metallurgy 46 Expired
US6353149B1 Fast blooming surfactants for use in fluid transport webs Emerging Cross-Sectional Technologies 40 Expired
US7521588B2 Polymeric web exhibiting a soft and silky tactile impression Emerging Cross-Sectional Technologies 38 Expired
US5856366A Process for making heterogeneous foam materials Emerging Cross-Sectional Technologies 38 Expired
US5851648A Articles comprising absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids Emerging Cross-Sectional Technologies 38 Expired
US7402723B2 Polymeric web exhibiting a soft and silky tactile impression Emerging Cross-Sectional Technologies 35 Expired
US5632737A Absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids Emerging Cross-Sectional Technologies 32 Expired
US5869171A Heterogeneous foam materials Emerging Cross-Sectional Technologies 31 Expired
US5292777A Method for hydrophilizing absorbent foam materials using sorbitan monolaurate Chemistry; Metallurgy 28 Expired
US8105526B2 Method for making a forming structure Emerging Cross-Sectional Technologies 27 Active
US9044353B2 Process for making a micro-textured web Performing Operations; Transporting 25 Active
US7655176B2 Method of making a polymeric web exhibiting a soft and silky tactile impression Emerging Cross-Sectional Technologies 25 Expired
US5786395A Absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids Emerging Cross-Sectional Technologies 24 Expired
US5741581A Absorbent foam materials for aqueous fluids made from high internal phase emulsions having very high water-to-oil ratios Emerging Cross-Sectional Technologies 23 Expired
US8206628B2 Process for making an embossed web Performing Operations; Transporting 21 Active
US9108462B1 Industrial caster guard Performing Operations; Transporting 19 Active
US8585958B2 Process for making an embossed web Performing Operations; Transporting 13 Active
US9220638B2 Deformed web materials Emerging Cross-Sectional Technologies 11 Active

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