Inventor
NELMS DAVID MARTIN
US34 patents
⚠️ This page may combine multiple inventors who share the name “NELMS DAVID MARTIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WALMART APOLLO LLC
28 patentsUS10803435B2Oct 13, 2020
Method for self-checkout with a mobile device
WALMART APOLLO LLC13 citations93
US11334931B2May 17, 2022
Validating identification of a user for purchase of age-restricted items
WALMART APOLLO LLC14 citations84
US11836709B2Dec 5, 2023
Digital wallet management system
WALMART APOLLO LLC2 citations72
US11410160B2Aug 9, 2022
Authenticating online transactions using separate computing device
WALMART APOLLO LLC2 citations72
US10937024B2Mar 2, 2021
System and method for a distributed adjustment system
WALMART APOLLO LLC2 citations72
US10846689B2Nov 24, 2020
Reducing cybersecurity risks when purchasing products over a network
WALMART APOLLO LLC4 citations72
US11961061B2Apr 16, 2024
Method for self-checkout with a mobile device
WALMART APOLLO LLC1 citations71
US11853988B2Dec 26, 2023
Method for self-checkout with a mobile device
WALMART APOLLO LLC1 citations71
US11568390B2Jan 31, 2023
Re-using e-commerce payment instruments for in-store use systems and methods
WALMART APOLLO LLC2 citations71
US10810577B2Oct 20, 2020
Check-in to checkout systems and methods
WALMART APOLLO LLC2 citations71
US11790341B2Oct 17, 2023
Systems and methods for managing self check out services
WALMART APOLLO LLC1 citations69
US11182760B2Nov 23, 2021
Systems and methods for managing self check out services
WALMART APOLLO LLC2 citations69
US10628814B2Apr 21, 2020
Systems and methods for managing self check out services
WALMART APOLLO LLC1 citations69
US12175452B2Dec 24, 2024
Digital wallet management system
WALMART APOLLO LLC0 citations62
US12412164B2Sep 9, 2025
Method for self-checkout with a mobile device
WALMART APOLLO LLC0 citations61
US11954714B2Apr 9, 2024
Validating identification of a user for purchase of age-restricted items
WALMART APOLLO LLC0 citations61
US10368188B2Jul 30, 2019
Systems and methods for identifying location-based services
WALMART APOLLO LLC1 citations61
US10368187B2Jul 30, 2019
Systems and methods for identifying available location-based services
WALMART APOLLO LLC1 citations61
US12243047B2Mar 4, 2025
Re-using payment instruments for in-store use systems and methods
WALMART APOLLO LLC0 citations60
US12062034B2Aug 13, 2024
Check-in to checkout systems and methods
WALMART APOLLO LLC1 citations60
US11030197B2Jun 8, 2021
System, method, and non-transitory computer-readable storage media for locating a receipt for a product
WALMART APOLLO LLC0 citations60
US12412163B2Sep 9, 2025
Systems and methods for managing self check out services
WALMART APOLLO LLC0 citations58
US10990981B2Apr 27, 2021
System and method for mobile-initiated in-store return of products
WALMART APOLLO LLC1 citations57
US12159268B2Dec 3, 2024
Systems, devices, and methods for generating personalized electronic documents
WALMART APOLLO LLC1 citations52
US12051097B2Jul 30, 2024
Automated integration system
WALMART APOLLO LLC0 citations51
US11568385B2Jan 31, 2023
System, method, and non-transitory computer-readable storage media related to transactions using a mobile device
WALMART APOLLO LLC0 citations51
US11120415B2Sep 14, 2021
System and method for a distributed data management system
WALMART APOLLO LLC0 citations51
US11120451B2Sep 14, 2021
System and method for mobile express return of products
WALMART APOLLO LLC1 citations51
WAL MART STORES INC
5 patentsUS10489840B2Nov 26, 2019
System, method, and non-transitory computer-readable storage media related to providing real-time price matching and time synchronization encryption
WAL MART STORES INC2 citations62
US9824339B2Nov 21, 2017
System, method, and non-transitory computer-readable storage media related to transactions using a mobile device
WAL MART STORES INC1 citations51
US10417231B2Sep 17, 2019
System, method, and non-transitory computer-readable storage media for locating a receipt for a product
WAL MART STORES INC0 citations49
US10810567B2Oct 20, 2020
System, method, and non-transitory computer-readable storage media related to transactions using a mobile device
WAL MART STORES INC0 citations41
US10380561B2Aug 13, 2019
System, method, and non-transitory computer-readable storage media related to transactions using a mobile device
WAL MART STORES INC0 citations41