Inventor · Fredericksburg, VA, US

Daniel J. Corwin

32Patents
21h-index
7Co-inventors
74Inventor score

Filing activity: Apr 22, 2004 → Nov 16, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7753268B1 System and method for negotiable instrument cashing transaction assistance procedures Physics 135 Expired
US7520422B1 System and method for depositing negotiable instruments Physics 135 Expired
US8200980B1 System and method for enrolling in a biometric system Physics 135 Active
US7437330B1 System and method for categorizing transactions Physics 126 Expired
US7542590B1 System and method for upgrading biometric data Physics 106 Expired
US7533809B1 System and method for operating a parking facility Physics 104 Active
US9189788B1 System and method for verifying identity Physics 84 Active
US7624073B1 System and method for categorizing transactions Physics 83 Expired
US7082415B1 System and method for biometrically-initiated refund transactions Physics 82 Expired
US7558406B1 System and method for employing user information Physics 77 Active
US7464059B1 System and method for purchase benefits at a point of sale Physics 68 Expired
US7389269B1 System and method for activating financial cards via biometric recognition Physics 66 Expired
US7004389B1 System and method for tracking a mobile worker Physics 61 Expired
US7765164B1 System and method for offering in-lane periodical subscriptions Physics 55 Active
US7483862B1 System and method for prepaid biometric redemption accounts Physics 43 Expired
US7778933B2 System and method for categorizing transactions Physics 39 Active
US7769695B2 System and method for purchase benefits at a point of sale Physics 26 Active
US7497372B1 System and method for negotiable instrument cashing incentives Physics 24 Expired
US7185807B1 System and method for tracking a mobile worker Physics 24 Expired
US7533066B1 System and method for biometrically-initiated refund transactions Physics 24 Expired
US8015118B1 System and method for biometric signature authorization Physics 23 Active
US9406067B1 System and method for verifying identity Physics 14 Active
US9864992B1 System and method for enrolling in a biometric system Physics 7 Active
US7614550B1 System and method for negotiable instrument cashing fee setup by type Physics 4 Active
US8595800B1 System and method for enrolling in a biometric system Physics 3 Active

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