Inventor · Southborough, MA, US

Robert A. Warden

66Patents
20h-index
42Co-inventors
88Inventor score

Filing activity: Feb 6, 2003 → Feb 10, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD686191S1 Set of headphones with orange and white details General 73 Active
USD933004S1 Earbud case General 65 Active
USD684953S1 Set of headphones with green and grey details General 57 Active
USD695267S1 Set of headphones General 55 Active
USD695266S1 Set of headphones with purple and white details General 54 Active
USD695265S1 Set of headphones with blue and black details General 52 Active
USD895571S1 Headphones General 50 Active
USD684950S1 Set of headphones General 49 Active
USD699703S1 Set of headphones with green and grey details General 40 Active
USD712884S1 Set of headphones General 34 Active
USD663719S1 Loudspeaker General 33 Active
USD537070S1 Loudspeaker General 33 Expired
USD742854S1 Loudspeaker General 29 Active
USD836596S1 Speaker General 29 Active
USD562307S1 Line array loudspeaker design General 29 Expired
USD829768S1 Audio network interface device General 26 Active
USD611452S1 Dual configuration speaker General 23 Expired
USD736742S1 Speaker General 21 Active
USD697049S1 Set of headphones and battery pack General 20 Active
USD596157S1 Dual configuration speaker General 20 Expired
USD769214S1 Speaker General 19 Active
USD712873S1 Set of headphones and battery pack General 19 Active
USD662910S1 Amplifier General 18 Active
USD491915S1 Disc jockey turntable General 18 Expired
US10306386B2 Portable speaker configurations Electricity 15 Active

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