Inventor · Washington, PA, US

Robert W. Hill

18Patents
10h-index
28Co-inventors
72Inventor score

Filing activity: Jan 3, 1972 → Apr 15, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6393096B1 Planning method and apparatus for radiation dosimetry Human Necessities 138 Expired
US8819591B2 Treatment planning in a virtual environment Physics 77 Active
US7015490B2 Method and apparatus for optimization of collimator angles in intensity modulated radiation therapy treatment Human Necessities 37 Expired
US4219444A Ethylene polymerization catalysts Chemistry; Metallurgy 36 Expired
US4590041A Gas bag inflators Mechanical Engineering; Lighting; Heating 31 Expired
US4596496A Mine roof supporting truss system Fixed Constructions 27 Expired
US4013751A Fibrils and processes for the manufacture thereof Textiles; Paper 25 Expired
US4289863A Ethylene polymerization process Emerging Cross-Sectional Technologies 20 Expired
US4113825A Method of sealing the ends of an elastomeric roll Performing Operations; Transporting 13 Expired
US3997648A Fibril formation process Textiles; Paper 11 Expired
US4569822A Powder metal process for preparing computer disk substrates Physics 5 Expired
US4169927A Process for the polymerization of ethylene Chemistry; Metallurgy 5 Expired
US4218331A Extreme pressure lubricating compositions Chemistry; Metallurgy 4 Expired
USD279917S Sit-up exercise device General 3 Expired
US4099312A Elastomeric roll with sealed ends Physics 3 Expired
US4265680A Method for making hollow magnetic pipe Electricity 1 Expired
US4396545A Bis(arylazo)diimides pigments Emerging Cross-Sectional Technologies 0 Expired
US4313887A Bis-quinizarin compounds Chemistry; Metallurgy 0 Expired

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