Inventor · San Francisco, CA, US

David Wentker

24Patents
8h-index
17Co-inventors
72Inventor score

Filing activity: Mar 24, 1998 → Jun 23, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6005942A System and method for a multi-application smart card which can facilitate a post-issuance download of an application onto the smart card Physics 455 Expired
US6233683A System and method for a multi-application smart card which can facilitate a post-issuance download of an application onto the smart card Physics 249 Expired
US9160741B2 Remote authentication system Physics 232 Active
US8281991B2 Transaction secured in an untrusted environment Physics 227 Active
US6481632B2 Delegated management of smart card applications Physics 181 Expired
US9647855B2 Mobile phone payment with disabling feature Electricity 88 Active
US8156543B2 Method and system for authenticating a party to a transaction Physics 17 Active
US8631231B2 Mobile device initiated transaction Physics 9 Active
US10593153B2 System and method for allowing a consumer to play a plurality of virtual instant tickets that are loaded into a microprocessor and that is physically provided to the consumer Physics 5 Active
US9911274B2 Secure distributed gambling using stand-alone gambling platforms formed by independently operating coupled pairs of gambling microprocessors and mobile computing devices Physics 4 Active
US8918637B2 Remote authentication system Physics 4 Active
US10360577B2 Distributed generation of a coupon using a game of chance, a random number generator and a payout table to determine the value of the coupon Emerging Cross-Sectional Technologies 3 Active
US10529187B2 Electronic instant tickets for instant ticket vending machines Physics 3 Active
US10366564B1 Personal gaming terminal used in possession of player Electricity 3 Active
US10789808B1 Process for allowing a consumer to play and redeem virtual instant tickets using a NFC chip or tag that stores inventory control numbers, and an ancillary device that facilitates communication between the NFC chip or tag and a remote gaming server which provides game outcomes to the ancillary device for display thereon Physics 2 Active
US9639865B2 Distributed generation of a coupon Emerging Cross-Sectional Technologies 2 Active
US10695681B2 System for unlocking game play data on near field communications system for unlocking game play data on near field communications (NFC) chips to allow for game play on an electronic computing device that uses the game play data Electricity 1 Active
US11263869B2 Process for allowing a consumer to play and redeem digitall pull-tab tickets using a NFC chip or tag that stores inventory control numbers, and an ancillary device that facilitates communication between the NFC chip or tag and a remote gaming server which provides game outcomes to the ancillary device for display thereon Physics 1 Active
US10387868B2 Mobile payment management Electricity 0 Active
US10032157B2 Mobile device with disabling feature Electricity 0 Active
US11195166B2 Mobile payment management Electricity 0 Active
US11978305B1 Method and system for predetermined games of chance using smart cards to securely distribute game outcome Physics 0 Active
US9811823B2 Mobile device with disabling feature Electricity 0 Active
US10600045B2 Mobile device with disabling feature Electricity 0 Active

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