Inventor · Columbiaville, MI, US

Mark Hemingway

25Patents
12h-index
24Co-inventors
77Inventor score

Filing activity: Dec 24, 1990 → May 25, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5119072A Apparatus for monitoring child activity Electricity 83 Expired
US6624113B2 Alkali metal/alkaline earth lean NOx catalyst Performing Operations; Transporting 43 Expired
US6338827B1 Stacked shape plasma reactor design for treating auto emissions Emerging Cross-Sectional Technologies 43 Expired
US5510086A Adcat exhaust treatment device Emerging Cross-Sectional Technologies 41 Expired
US6464945B1 Non-thermal plasma exhaust NOx reactor Mechanical Engineering; Lighting; Heating 39 Expired
US8037674B2 System and method of NOx abatement Emerging Cross-Sectional Technologies 36 Active
US6455463B1 Alkaline earth/transition metal lean NOx catalyst Performing Operations; Transporting 29 Expired
US6537507B2 Non-thermal plasma reactor design and single structural dielectric barrier Mechanical Engineering; Lighting; Heating 27 Expired
US6482368B2 Non-thermal plasma reactor for lower power consumption Electricity 25 Expired
US7472545B2 Engine exhaust emission control system providing on-board ammonia generation Emerging Cross-Sectional Technologies 18 Expired
US6423190B1 Pulse density modulation for uniform barrier discharge in a nonthermal plasma reactor Emerging Cross-Sectional Technologies 17 Expired
US6576587B2 High surface area lean NOx catalyst Performing Operations; Transporting 16 Expired
US6864213B2 Alkaline earth / rare earth lean NOx catalyst Performing Operations; Transporting 12 Expired
US6835358B2 Non-thermal plasma reactor for lower power consumption Electricity 12 Expired
US7240484B2 Exhaust treatment systems and methods for using the same Emerging Cross-Sectional Technologies 11 Expired
US6407032B1 Poison resistant lean NOx catalyst Performing Operations; Transporting 8 Expired
US7402292B2 Device and methods of ammonia generation for NOx abatement Mechanical Engineering; Lighting; Heating 7 Active
US6692704B2 Non-thermal plasma reactor and method-structural conductor Electricity 7 Expired
US5910293A Exhaust management system control Emerging Cross-Sectional Technologies 6 Expired
US6852200B2 Non-thermal plasma reactor gas treatment system Performing Operations; Transporting 5 Expired
US6489259B2 Mixed zeolite NOx catalyst Emerging Cross-Sectional Technologies 5 Expired
US6670296B2 Alumina/zeolite lean NOx catalyst Performing Operations; Transporting 4 Expired
US7614222B2 System and method for directing fluid flow Emerging Cross-Sectional Technologies 3 Active
US6800256B2 Scaleable inter-digitized tine non-thermal plasma reactor Electricity 2 Expired
US6878348B2 Design and method of manufacturing a plasma reactor for treating auto emissions-stacked shapes Emerging Cross-Sectional Technologies 0 Expired

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