Inventor · Nashville, TN, US

Robert H. Parrish

11Patents
10h-index
6Co-inventors
61Inventor score

Filing activity: Nov 3, 1997 → Jul 14, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6124560A Teleoperated robotic sorting system Emerging Cross-Sectional Technologies 102 Expired
US6266390A High speed materials sorting using x-ray fluorescence Physics 74 Expired
US7763820B1 Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli Performing Operations; Transporting 71 Active
US6519315B2 High speed materials sorting using x-ray fluorescence Physics 52 Expired
US6888917B2 High speed materials sorting using x-ray fluorescence Physics 45 Expired
US8476545B2 Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli Performing Operations; Transporting 32 Active
US8553838B2 High speed materials sorting using X-ray fluorescence Physics 30 Active
US7616733B2 High speed materials sorting using x-ray fluorescence Physics 26 Active
US7978814B2 High speed materials sorting using X-ray fluorescence Physics 25 Active
US8692148B1 Method and apparatus for improving performance in container sorting Performing Operations; Transporting 17 Active
USRE40394E1 Teleoperated robotic sorting system General 0 Expired

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