Inventor · Bloomington, MN, US

John E. Pahlman

11Patents
6h-index
13Co-inventors
63Inventor score

Filing activity: Dec 13, 1977 → Jun 9, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6610263B2 System and process for removal of pollutants from a gas stream Emerging Cross-Sectional Technologies 100 Expired
US6579507B2 System and process for removal of pollutants from a gas stream Emerging Cross-Sectional Technologies 48 Expired
US7247279B2 System for removal of pollutants from a gas stream Emerging Cross-Sectional Technologies 17 Expired
US7033548B2 System and process for removal of pollutants from a gas stream Emerging Cross-Sectional Technologies 15 Expired
US4765415A Isoelectric drilling method Fixed Constructions 7 Expired
US4959164A Rock fragmentation method Emerging Cross-Sectional Technologies 6 Expired
US6974565B2 System and process for removal of pollutants from a gas stream Emerging Cross-Sectional Technologies 5 Expired
US5196401A Method of enhancing rock fragmentation and extending drill bit life Emerging Cross-Sectional Technologies 5 Expired
US4138465A Selective recovery of nickel, cobalt, manganese from sea nodules with sulfurous acid Emerging Cross-Sectional Technologies 4 Expired
US4306905A Production of ferrochromium alloys Chemistry; Metallurgy 2 Expired
US4208379A Recovery of metals from Atlantic sea nodules Emerging Cross-Sectional Technologies 2 Expired

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