Inventor · Bel Air, MD, US

Robert Bradus

42Patents
25h-index
57Co-inventors
88Inventor score

Filing activity: Aug 21, 1978 → Apr 7, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7339477B2 Wireless asset monitoring and security system Physics 147 Expired
US7750811B2 Wireless asset monitoring and security system Physics 136 Active
US7319395B2 Wireless asset monitoring and security system using user identification tags Physics 107 Expired
US6455186B1 Battery cooling system Emerging Cross-Sectional Technologies 97 Expired
US7391326B2 Wireless asset monitoring and security system Physics 93 Active
US7508171B2 Protection methods, protection circuits and protective devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack Emerging Cross-Sectional Technologies 88 Expired
US6304058A Cordless power tool system Emerging Cross-Sectional Technologies 74 Expired
US4317176A Microcomputer controlled power tool Emerging Cross-Sectional Technologies 68 Expired
US6645666B1 Battery cooling system Emerging Cross-Sectional Technologies 62 Expired
US4628233A Microprocessor based motor control Emerging Cross-Sectional Technologies 60 Expired
US6949309B2 Battery cooling system Emerging Cross-Sectional Technologies 60 Expired
US7014945B2 Battery cooling system Emerging Cross-Sectional Technologies 57 Expired
US6627345B1 Battery pack Emerging Cross-Sectional Technologies 56 Expired
US7506694B2 Rotary tool Performing Operations; Transporting 54 Expired
US7326490B2 Battery cooling system Emerging Cross-Sectional Technologies 50 Expired
US7056616B2 Battery cooling system Emerging Cross-Sectional Technologies 46 Expired
USRE33379E Microprocessor based motor control General 41 Expired
US7395871B2 Method for detecting a bit jam condition using a freely rotatable inertial mass Emerging Cross-Sectional Technologies 36 Expired
US7649464B2 Wireless asset monitoring and security system using user identification tags Physics 34 Active
US6515451B2 Cordless power tool system Emerging Cross-Sectional Technologies 32 Expired
US4237610A Portable, electrically energized, cordless grass trimmer Human Necessities 32 Expired
US7252904B2 Battery cooling system Emerging Cross-Sectional Technologies 30 Expired
US6653815B2 Cordless power tool system Emerging Cross-Sectional Technologies 30 Expired
US7730963B2 Safety mechanism for a rotary hammer Emerging Cross-Sectional Technologies 27 Active
US7005831B2 Cordless power tool system utilizing battery pack connection system with guide rails and guide slots Emerging Cross-Sectional Technologies 26 Expired

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