Inventor · Castle Rock, CO, US

Michael D. Durham

41Patents
17h-index
27Co-inventors
81Inventor score

Filing activity: Mar 6, 1981 → Oct 12, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5409522A Mercury removal apparatus and method Performing Operations; Transporting 175 Expired
US7361209B1 Apparatus and process for preparing sorbents for mercury control at the point of use Performing Operations; Transporting 63 Expired
US8124036B1 Additives for mercury oxidation in coal-fired power plants Emerging Cross-Sectional Technologies 48 Active
US8372362B2 Method and system for controlling mercury emissions from coal-fired thermal processes Performing Operations; Transporting 43 Active
US5893943A Method and apparatus for decreased undesired particle emissions in gas streams Performing Operations; Transporting 42 Expired
US5282891A Hot-side, single-stage electrostatic precipitator having reduced back corona discharge Performing Operations; Transporting 36 Expired
US5679957A Method and apparatus for monitoring mercury emissions Physics 36 Expired
US8293196B1 Additives for mercury oxidation in coal-fired power plants Emerging Cross-Sectional Technologies 31 Active
US6267802A Composition apparatus and method for flue gas conditioning Performing Operations; Transporting 29 Expired
US8496894B2 Method and system for controlling mercury emissions from coal-fired thermal processes Mechanical Engineering; Lighting; Heating 28 Active
US8524179B2 Hot-side method and system Performing Operations; Transporting 28 Active
US5855649A Liquid additives for particulate emissions control Performing Operations; Transporting 23 Expired
US5833736A Method for removing undesired particles from gas streams Performing Operations; Transporting 21 Expired
US5272345A Calibration method and apparatus for measuring the concentration of components in a fluid Physics 19 Expired
US8951487B2 Hot-side method and system Performing Operations; Transporting 18 Active
US8439989B2 Additives for mercury oxidation in coal-fired power plants Mechanical Engineering; Lighting; Heating 17 Active
US9352275B2 Method and system for controlling mercury emissions from coal-fired thermal processes Mechanical Engineering; Lighting; Heating 17 Active
US5070246A Spectrometer for measuring the concentration of components in a fluid stream and method for using same Physics 16 Expired
US8845986B2 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Emerging Cross-Sectional Technologies 16 Active
US9657942B2 Hot-side method and system Performing Operations; Transporting 15 Active
US9884286B2 Method and system for controlling mercury emissions from coal-fired thermal processes Mechanical Engineering; Lighting; Heating 15 Active
US9238782B2 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Emerging Cross-Sectional Technologies 14 Active
US9850442B2 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Emerging Cross-Sectional Technologies 13 Active
US8034163B1 Apparatus and process for preparing sorbents for mercury control at the point of use Performing Operations; Transporting 12 Active
US6797035B2 Oxidizing additives for control of particulate emissions Performing Operations; Transporting 12 Expired

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