Inventor · Raleigh, NC, US

David Carroll Challener

134Patents
22h-index
113Co-inventors
93Inventor score

Filing activity: Mar 14, 1989 → Jul 6, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6452593B1 Method and system for rendering a virtual three-dimensional graphical display Physics 153 Expired
US6081793A Method and system for secure computer moderated voting Electricity 126 Expired
US5953001A Computer input stylus and texture control system Physics 118 Expired
US6182212A Method and system for automated migration of user settings to a replacement computer system Physics 107 Expired
US6668323B1 Method and system for password protection of a data processing system that permit a user-selected password to be recovered Physics 97 Expired
US6601175B1 Method and system for providing limited-life machine-specific passwords for data processing systems Physics 85 Expired
US6311270A Method and apparatus for securing communication utilizing a security processor Electricity 60 Expired
US7213158B2 Distributed autonomic backup Emerging Cross-Sectional Technologies 59 Expired
US8201161B2 System and method to update device driver or firmware using a hypervisor environment without system shutdown Physics 53 Active
US6772264B1 Enabling a docking station for ISA adapters Physics 52 Expired
US6415296B1 Method and system for more efficiently providing a copy in a raid data storage system Emerging Cross-Sectional Technologies 44 Expired
US6754826B1 Data processing system and method including a network access connector for limiting access to the network Electricity 43 Expired
US6470454B1 Method and apparatus for establishing computer configuration protection passwords for protecting computer configurations Physics 39 Expired
US7281125B2 Securing sensitive configuration data remotely Physics 32 Expired
US8151262B2 System and method for reporting the trusted state of a virtual machine Physics 29 Active
US7096496B1 Method and system for improved computer security utilizing dynamically variable security profile Physics 28 Expired
US7644278B2 Method for securely creating an endorsement certificate in an insecure environment Physics 28 Active
US6748544B1 Discrete, background determination of the adequacy of security features of a computer system Electricity 27 Expired
US6546499B1 Redundant array of inexpensive platters (RAIP) Physics 27 Expired
US7010596B2 System and method for the allocation of grid computing to network workstations Physics 26 Expired
US6553497B1 Electromagnetic field tamper alarm Physics 26 Expired
US5959616A Computer input stylus and color control system Physics 24 Expired
US6598032B1 Systems and method for hiding from a computer system entry of a personal identification number (pin) to a smart card Physics 21 Expired
US6654886B1 Data processing system and method for permitting only preregistered hardware to access a remote service Physics 21 Expired
US6546491B1 Securing mobile computer systems in a corporate environment Physics 20 Expired

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