Inventor · Johannesburg, ZA

John Holdsworth

4Patents
4h-index
Co-inventors
37Inventor score

Filing activity: Aug 13, 1990 → Sep 30, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US7437757B2 Token for use in online electronic transactions Electricity 85 Expired
US7412420B2 Systems and methods for enrolling a token in an online authentication program Electricity 80 Expired
US5028220A Cooling and lubrication system for a vacuum pump Emerging Cross-Sectional Technologies 13 Expired
US7334428B2 Cooling system for a rotary screw compressor Mechanical Engineering; Lighting; Heating 12 Expired

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