Inventor · Grantsburg, WI, US

David W. Carroll

65Patents
24h-index
40Co-inventors
88Inventor score

Filing activity: Jun 11, 1979 → Oct 12, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6121960A Touch screen systems and methods Physics 463 Expired
US6285757A Interactive devices and methods Electricity 330 Expired
US5172328A Food preparation system and method Physics 202 Expired
US5132914A Food preparation system and method Physics 198 Expired
US4922435A Food preparation robot Physics 142 Expired
US6057966A Body-carryable display devices and systems using E.G. coherent fiber optic conduit Physics 134 Expired
US5555490A Wearable personal computer system Emerging Cross-Sectional Technologies 126 Expired
US5572401A Wearable personal computer system having flexible battery forming casing of the system Human Necessities 124 Expired
US5206814A Robotic music store Physics 101 Expired
US8371722B2 LED-based light bulb device with Kelvin corrective features Mechanical Engineering; Lighting; Heating 99 Active
US7920902B2 Mobile personal audio device Electricity 98 Active
US6249427A Wearable computer packaging configurations Physics 87 Expired
US8421322B2 LED-based light bulb device Emerging Cross-Sectional Technologies 79 Active
US5981827A Carbon based prosthetic devices Chemistry; Metallurgy 61 Expired
US4778246A High tensile strength compacted towing cable with signal transmission element and method of making the same Textiles; Paper 58 Expired
USD639260S1 Hand-held mobile communication device General 47 Expired
US5104002A Food dispenser and method Physics 45 Expired
US5413231A Bottle handle Performing Operations; Transporting 40 Expired
US5353847A Food dispenser, dispenser container and method Physics 37 Expired
US5191918A Food dispenser and method Physics 31 Expired
US7312981B2 Mobile, hand-held personal computer Physics 30 Expired
US6097607A Flexible computer system Electricity 29 Expired
US5282498A Prod dispenser, dispenser container and method Physics 28 Expired
US4979864A Basket emptying apparatus, locating device and method Performing Operations; Transporting 27 Expired
US8013501B2 LED-based light bulb device Emerging Cross-Sectional Technologies 21 Active

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