Inventor · Duvall, WA, US

Robert Maxwell

15Patents
12h-index
25Co-inventors
74Inventor score

Filing activity: Apr 20, 1990 → Apr 21, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6359923B1 Highly bandwidth efficient communications Electricity 262 Expired
US5805810A Apparatus and methods for converting an electronic mail to a postal mail at the receiving station Electricity 257 Expired
US6621851B1 Priority messaging method for a discrete multitone spread spectrum communications system Electricity 149 Expired
US7149238B2 Highly bandwidth-efficient communications Electricity 140 Expired
US7095708B1 Methods and apparatus for use in communicating voice and high speed data in a wireless communication system Electricity 82 Expired
US7106781B2 Highly bandwidth-efficient communications Electricity 74 Expired
US5530704A Method and apparatus for synchronizing radio ports in a commnuication system Electricity 56 Expired
US6170843A Trailer hitch step Performing Operations; Transporting 44 Expired
US6428035B1 Portable motorcycle trailer Performing Operations; Transporting 28 Expired
US6944299B1 Method for synchronous encryption over a communication medium Electricity 15 Expired
US6639935B2 Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system Electricity 14 Expired
US6289037A Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system Electricity 14 Expired
US7458602B2 Dual motorcycle trailer Performing Operations; Transporting 10 Active
US5065750A Manipulative skill testing apparatus Human Necessities 4 Expired
US6793235B2 Hitch guide Performing Operations; Transporting 1 Expired

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