Inventor · Hillsboro, OR, US

Douglas Logan

4Patents
3h-index
8Co-inventors
47Inventor score

Filing activity: Aug 11, 1976 → Aug 16, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5830154A Device for collecting substances for testing Performing Operations; Transporting 75 Expired
US4634532A Orthophosphate-containing desalination scale inhibitors Emerging Cross-Sectional Technologies 22 Expired
US4512774A Residual fuel oil conditioners containing metal salts in aqueous solution Chemistry; Metallurgy 21 Expired
US4026667A Sulfide detection device Emerging Cross-Sectional Technologies 2 Expired

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