Inventor · Huntsville, AL, US

Mark D. Roberts

186Patents
35h-index
48Co-inventors
86Inventor score

Filing activity: Jun 2, 2000 → Dec 6, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6717992B2 Method and apparatus for receiving a plurality of time spaced signals Electricity 140 Expired
US6823022B1 Method for mitigating effects of interference in impulse radio communication Electricity 138 Expired
US7812697B2 Method and system for producing repeating spatial forces Emerging Cross-Sectional Technologies 113 Active
US7148791B2 Wireless danger proximity warning system and method Physics 106 Expired
US7808349B2 System and method for producing repeating spatial forces Emerging Cross-Sectional Technologies 105 Active
US7046187B2 System and method for active protection of a resource Physics 104 Expired
US6636566B1 Method and apparatus for specifying pulse characteristics using a code that satisfies predefined criteria Electricity 103 Expired
US6959031B2 Method and system for fast acquisition of pulsed signals Electricity 98 Expired
US6959032B1 Method and apparatus for positioning pulses in time Electricity 97 Expired
US7868721B2 Field emission system and method Emerging Cross-Sectional Technologies 97 Active
US7239277B2 Method and system for extensible position location Physics 97 Expired
US7256727B2 System and method for radiating RF waveforms using discontinues associated with a utility transmission line Physics 96 Expired
US6759948B2 Railroad collision avoidance system and method for preventing train accidents Performing Operations; Transporting 84 Expired
US7817004B2 Correlated magnetic prosthetic device and method for using the correlated magnetic prosthetic device Electricity 81 Active
US7145954B1 Method and apparatus for mapping pulses to a non-fixed layout Electricity 80 Expired
US7839246B2 Field structure and method for producing a field structure Emerging Cross-Sectional Technologies 77 Active
US6788730B1 Method and apparatus for applying codes having pre-defined properties Electricity 76 Expired
US6925109B2 Method and system for fast acquisition of ultra-wideband signals Electricity 75 Expired
US6937639B2 System and method for positioning pulses in time using a code that provides spectral shaping Electricity 75 Expired
US6671310B1 Method and apparatus for positioning pulses over time by applying time-hopping codes having pre-defined characteristics Electricity 74 Expired
US6778603B1 Method and apparatus for generating a pulse train with specifiable spectral response characteristics Electricity 73 Expired
US6917284B2 Railroad collision avoidance system and method for preventing train accidents Performing Operations; Transporting 69 Expired
US6636567B1 Method of specifying non-allowable pulse characteristics Electricity 68 Expired
US6954480B2 Method and apparatus for improving received signal quality in an impulse radio system Electricity 65 Expired
US7843297B2 Coded magnet structures for selective association of articles Emerging Cross-Sectional Technologies 63 Active

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