Inventor · Oro Valley, AZ, US

William MacLean

15Patents
6h-index
14Co-inventors
63Inventor score

Filing activity: Sep 16, 1987 → Mar 26, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US4809972A Exercise machine with multiple exercise stations Human Necessities 76 Expired
US6586911B1 Sleep mode power management Emerging Cross-Sectional Technologies 34 Expired
US6965223B1 Method and apparatus to allow rapid adjustment of the reference voltage in a switching regulator Emerging Cross-Sectional Technologies 25 Expired
US6482135B1 Apparatus and methods for exercise machines having balancing loads Human Necessities 9 Expired
US6954059B1 Method and apparatus for output voltage temperature dependence adjustment of a low voltage band gap circuit Physics 8 Expired
US9201438B2 Buck DC-DC converter with accuracy enhancement Emerging Cross-Sectional Technologies 6 Active
US9467043B2 Buck DC-DC converter with fixed frequency Emerging Cross-Sectional Technologies 5 Active
US6994660B2 Apparatus and methods for exercise machines having balancing loads Human Necessities 4 Expired
US9455626B2 Hysteretic buck DC-DC converter Electricity 4 Active
USD320247S Physical exerciser General 3 Expired
US7839203B1 Adaptive capacitor charge/discharge network Physics 3 Expired
USD320248S Physical exerciser General 2 Expired
US7161341B1 System, circuit, and method for auto-zeroing a bandgap amplifier Electricity 1 Expired
US8040181B2 Time delay compensation and pulse width correction Electricity 0 Active
US8890499B2 Buck DC-DC converter with improved accuracy Electricity 0 Active

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