Inventor · Hemel Hempstead, GB

Alan Smith

10Patents
5h-index
13Co-inventors
63Inventor score

Filing activity: Dec 9, 1974 → Sep 21, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5525230A Process of and apparatus for treating a fluid Emerging Cross-Sectional Technologies 49 Expired
US5800709A Biological aerated filters Emerging Cross-Sectional Technologies 13 Expired
US3993640A Treatment of cellulosic materials Textiles; Paper 13 Expired
US5151197A Fluid treatment Emerging Cross-Sectional Technologies 6 Expired
US4533632A Production of a cephalosporin by fermentation Chemistry; Metallurgy 6 Expired
US9487916B2 Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking Emerging Cross-Sectional Technologies 4 Active
US5141653A Apparatus and method for treating a fluid Emerging Cross-Sectional Technologies 3 Expired
US10145067B2 Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking Emerging Cross-Sectional Technologies 1 Active
US11319223B2 Apparatus for preparing and dispensing a flocculant solution to dewatering an aqueous process stream Chemistry; Metallurgy 0 Active
US10697121B2 Papermaking process of increasing ash content of a paper product and a paper product obtained by the same Textiles; Paper 0 Active

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