Inventor · Huntingtown, MD, US

William Carroll

45Patents
7h-index
32Co-inventors
69Inventor score

Filing activity: Sep 24, 1979 → Jan 19, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US4534395A Folding door Fixed Constructions 18 Expired
US10523681B1 Techniques to automatically update payment information in a compute environment Electricity 17 Active
US4295297A Revolving security door Fixed Constructions 15 Expired
US11030509B1 Biodegradable payment card with embedded plant seeds Physics 13 Active
US10325079B1 Version management platform Electricity 13 Active
US11328195B2 Transaction card assembly Physics 12 Active
USD895005S1 Card General 11 Active
US10481783B1 Dynamic credit report obfuscation Electricity 6 Active
USD958241S1 Card General 6 Active
US11005302B1 Using the NFC field from a phone to power card to phone bluetooth communications Electricity 5 Active
US4732954A Novel polyvinyl chloride suspension polymerization process and product having improved plasticizer absorption Chemistry; Metallurgy 4 Expired
US7503944B2 Method and composition for improving fuel combustion Chemistry; Metallurgy 4 Expired
US4732953A Novel polyvinyl chloride suspension polymerization process and product having improved plasticizer absorption Chemistry; Metallurgy 3 Expired
US8287607B2 Method and composition for improving fuel combustion Chemistry; Metallurgy 2 Active
US10748138B2 Systems and methods for cryptographic authentication of contactless cards Physics 2 Active
US11329515B2 Using the NFC field from a phone to power card to phone bluetooth communications Electricity 2 Active
US11443159B2 Biodegradable payment card with embedded plant seeds Physics 1 Active
US11610195B2 Systems and methods for cryptographic authentication of contactless cards Physics 1 Active
US12026709B2 Systems and methods for card authorization Physics 1 Active
USD1049221S1 Card General 1 Active
US10795975B2 Version management platform Electricity 1 Active
US11664684B2 Using the NFC field from a phone to power card to phone bluetooth communications Electricity 1 Active
USD1020873S1 Card General 1 Active
US11361315B2 Systems and methods for card authorization Physics 1 Active
US12192209B2 Techniques to automatically update payment information in a compute environment Electricity 0 Active

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