Inventor · Windom, MN, US

David A. Olson

46Patents
18h-index
65Co-inventors
84Inventor score

Filing activity: Aug 31, 1977 → Jun 18, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5106397A Air cleaner/noise silencer assembly Performing Operations; Transporting 118 Expired
US5803296A Collapsible, stackable, hard-sided container Performing Operations; Transporting 82 Expired
US7757811B2 Multilayer articles having acoustical absorbance properties and methods of making and using the same Emerging Cross-Sectional Technologies 64 Active
US4209493A Combination catalytic converter and muffler for an exhaust system Emerging Cross-Sectional Technologies 53 Expired
US5771861A Apparatus and method for accurately controlling fuel injection flow rate Mechanical Engineering; Lighting; Heating 52 Expired
US5937826A Apparatus for controlling a fuel system of an internal combustion engine Emerging Cross-Sectional Technologies 32 Expired
US5641555A Cup-shaped filtration mask having an undulated surface Emerging Cross-Sectional Technologies 30 Expired
US6500346B1 Fluid treatment device and method for treatment of fluid Chemistry; Metallurgy 29 Expired
US6667254B1 Fibrous nonwoven webs Emerging Cross-Sectional Technologies 28 Expired
US7808158B1 Flow driven piezoelectric energy harvesting device Electricity 27 Active
US4897194A Liquid separating apparatus Performing Operations; Transporting 24 Expired
US7476632B2 Fibrous nonwoven web Emerging Cross-Sectional Technologies 23 Expired
US5643507A Filter media having an undulated surface Emerging Cross-Sectional Technologies 21 Expired
US5593769A Polyurethane pad covering for gel filled articles Emerging Cross-Sectional Technologies 20 Expired
US5360654A Sorbent articles Emerging Cross-Sectional Technologies 20 Expired
US5658641A Filter media haing an undulated surface Emerging Cross-Sectional Technologies 19 Expired
US5219468A Method for dewatering using addition of water to facilitate material movement Performing Operations; Transporting 19 Expired
US5658640A Electret filter media having an undulated surface Emerging Cross-Sectional Technologies 18 Expired
US5024200A Viscosity responsive pressure regulator and timing control tappet system incorporating the same Mechanical Engineering; Lighting; Heating 15 Expired
US5958322A Method for making dimensionally stable nonwoven fibrous webs Textiles; Paper 15 Expired
US7815741B2 Reactor pump for catalyzed hydrolytic splitting of cellulose Emerging Cross-Sectional Technologies 13 Active
US6371749B2 Apparatus for making dimensionally stable nonwoven fibrous webs Textiles; Paper 10 Expired
US4140443A Manure handling system Emerging Cross-Sectional Technologies 10 Expired
US7408174B2 Fluid treatment system Chemistry; Metallurgy 9 Expired
US7815876B2 Reactor pump for catalyzed hydrolytic splitting of cellulose Emerging Cross-Sectional Technologies 9 Active

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