Inventor · Salem, OR, US

Wayne F. Larson

41Patents
28h-index
50Co-inventors
88Inventor score

Filing activity: Jan 17, 1980 → Feb 28, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6317313A Case and cover for an electronic device Physics 356 Expired
US6072402A Secure entry system with radio communications Physics 305 Expired
US4914732A Electronic key with interactive graphic user interface Emerging Cross-Sectional Technologies 216 Expired
US6937140B1 Personal digital assistant key for an electronic lock Physics 186 Expired
US4727368A Electronic real estate lockbox system Emerging Cross-Sectional Technologies 172 Expired
US4766746A Electronic real estate lockbox system Emerging Cross-Sectional Technologies 137 Expired
US5475375A Electronic access control systems Physics 120 Expired
US5602536A Data synchronization method for use with portable, microprocessor-based device Emerging Cross-Sectional Technologies 114 Expired
US5705991A Access control device featuring key ordering or key simultaneity Emerging Cross-Sectional Technologies 104 Expired
US4988987A Keysafe system with timer/calendar features Emerging Cross-Sectional Technologies 96 Expired
US5654696A Method for transferring auxillary data using components of a secure entry system Emerging Cross-Sectional Technologies 95 Expired
US5245652A Secure entry system with acoustically coupled telephone interface Emerging Cross-Sectional Technologies 88 Expired
US6047575A Electronic padlock Emerging Cross-Sectional Technologies 84 Expired
US5815557A Homeowner key for an electronic real estate lockbox system Emerging Cross-Sectional Technologies 82 Expired
US4916443A Method and apparatus for compiling data relating to operation of an electronic lock system Emerging Cross-Sectional Technologies 82 Expired
US4887292A Electronic lock system with improved data dissemination Emerging Cross-Sectional Technologies 73 Expired
US4947163A Electronic security system with configurable key Emerging Cross-Sectional Technologies 70 Expired
US5999095A Electronic security system Emerging Cross-Sectional Technologies 64 Expired
US6046558A Electronic padlock Emerging Cross-Sectional Technologies 60 Expired
US4578969A Tumbler lock having peripheral key Emerging Cross-Sectional Technologies 59 Expired
US6842105B1 Dual mode data logging Emerging Cross-Sectional Technologies 55 Expired
US4831851A Combination/electronic lock system Emerging Cross-Sectional Technologies 54 Expired
US8437740B2 Key control with real time communications to remote locations Physics 50 Active
US7880584B2 Lockbox key with callback feature Physics 45 Active
US4936894A Pushbutton lock Emerging Cross-Sectional Technologies 44 Expired

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