Inventor · Norval, ON, CA

Mark Farrell

18Patents
7h-index
13Co-inventors
63Inventor score

Filing activity: Jan 16, 1986 → Jul 3, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4653244A Fastener element Mechanical Engineering; Lighting; Heating 105 Expired
US6432472B1 Method of making semiconductor supercapacitor system and articles produced therefrom Emerging Cross-Sectional Technologies 58 Expired
US6180252A Semiconductor supercapacitor system, method for making same and articles produced therefrom Emerging Cross-Sectional Technologies 53 Expired
US6623865B1 Lead zirconate titanate dielectric thin film composites on metallic foils Electricity 15 Expired
US6659700B1 Metal piercing fastener Mechanical Engineering; Lighting; Heating 14 Expired
US6467559B1 Propulsion device and method of use Performing Operations; Transporting 11 Expired
US6866458B2 Drywall fastener with improved driving head Mechanical Engineering; Lighting; Heating 8 Expired
US6649930B2 Thin film composite containing a nickel-coated copper substrate and energy storage device containing the same Electricity 7 Expired
US6817818B2 Metal piercing fastener with optimally resilient securing member Mechanical Engineering; Lighting; Heating 5 Expired
US6644575B1 Gravity flow grain tank for hay bale processor Emerging Cross-Sectional Technologies 4 Expired
US7033122B2 Fastener having improved penetration capability Mechanical Engineering; Lighting; Heating 2 Expired
US9112334B2 Spark plug construction Electricity 1 Active
US9085463B2 Water-soluble functionalized fullerenes Chemistry; Metallurgy 1 Active
US9088137B2 Spark plug Electricity 1 Active
US9300116B2 Spark plug Electricity 0 Active
US12266453B2 Containers Performing Operations; Transporting 0 Active
US9478946B2 Spark plug Electricity 0 Active
US11158997B2 Spark plug and manufacturing method thereof Electricity 0 Active

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