Inventor · Durham, NC, US

John Fred Davis

9Patents
5h-index
9Co-inventors
52Inventor score

Filing activity: Jun 7, 1995 → Jun 25, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5973289A Microwave-driven plasma spraying apparatus and method for spraying Electricity 74 Expired
US5793013A Microwave-driven plasma spraying apparatus and method for spraying Electricity 19 Expired
US7711781B2 Technique for detecting and blocking unwanted instant messages Emerging Cross-Sectional Technologies 11 Expired
US8253531B2 On chip verification and consequent enablement of card OS operation in smart cards Physics 8 Active
US7930740B2 System and method for detection and mitigation of distributed denial of service attacks Electricity 7 Active
US8176126B2 System, method and program to limit rate of transferring messages from suspected spammers Physics 5 Active
US7617526B2 Blocking of spam e-mail at a firewall Electricity 4 Active
US8478831B2 System, method and program to limit rate of transferring messages from suspected spammers Physics 2 Active
US8468208B2 System, method and computer program to block spam Electricity 0 Active

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