Inventor · Duffield, GB

John Ellis

9Patents
4h-index
6Co-inventors
50Inventor score

Filing activity: Mar 20, 1979 → Jul 14, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4339307A Distillation apparatus Emerging Cross-Sectional Technologies 51 Expired
US7633387B2 Method for tracking personnel and equipment in chaotic environments Physics 45 Active
US4612090A Water degasification and distillation apparatus Emerging Cross-Sectional Technologies 21 Expired
US5203970A Method for water degasification and distillation Emerging Cross-Sectional Technologies 12 Expired
US4420374A Water degasification and distillation apparatus Chemistry; Metallurgy 4 Expired
US5755827A Method for the treatment of wool Textiles; Paper 4 Expired
US7186273B2 Treatment of textiles with fluorinated polyethers Emerging Cross-Sectional Technologies 2 Expired
US7794507B2 Textile treatment Textiles; Paper 1 Active
US6409888B1 Method and apparatus for water degasification and distillation Emerging Cross-Sectional Technologies 0 Expired

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