Inventor · Enfield, GB

Robert C. Halstead

15Patents
9h-index
13Co-inventors
65Inventor score

Filing activity: Sep 19, 2001 → Dec 31, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6708901B2 Multiple function dispenser Performing Operations; Transporting 31 Expired
USD480124S1 Dispensing head General 30 Expired
USD466584S1 Dispensing head General 28 Expired
USD509560S1 Dispensing head General 26 Expired
USD537915S1 Dispensing head General 17 Expired
US7341206B2 Multiple function dispenser Performing Operations; Transporting 14 Expired
USD484946S1 Dispensing head General 12 Expired
USD471971S1 Ventilation cover General 10 Expired
US8016212B2 Multiple function dispenser Performing Operations; Transporting 9 Active
USD555227S1 Dispensing head General 8 Expired
US8398003B2 Multiple function dispenser Performing Operations; Transporting 4 Active
USD471624S1 Ventilation rotor General 3 Expired
US10328398B2 Multiple function dispenser Performing Operations; Transporting 2 Active
US10850241B2 Multiple function dispenser Performing Operations; Transporting 1 Active
US9616441B2 Multiple function dispenser Performing Operations; Transporting 1 Active

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