Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert L. Cantrell — 56 Patents

Walmart Apollo: 55 patents #15 of 2,220Top 1%
Herndon, VA: #8 of 878 inventorsTop 1%
Virginia: #216 of 34,511 inventorsTop 1%
Overall (All Time): #44,020 of 4,157,543Top 2%
56 Patents All Time
Robert L. Cantrell has been granted 56 US patents while listed as an inventor at Walmart Apollo. The first was granted in 1988 and the most recent in August 2025. Robert L. Cantrell ranks #44,020 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Robert L. Cantrell in Herndon, VA, US.

Issued Patents All Time

Showing 1–25 of 56 patents

Patent #TitleCo-InventorsDate
12393911 System and methods for tracking an item in a distributed environment John J. O'Brien, Daniel W. Young, Richard Carl McSorley, Jr., Christopher R. Heeney, Joseph Jurich, JR. +4 more 2025-08-19
12354051 Autonomous robot delivery systems and methods Donald R. High, Michael D. Atchley 2025-07-08
12110198 Retractable table tower for UAV package delivery Donald R. High, Brian G. McHale 2024-10-08
12051042 System and methods for tracking an item in a distributed environment John J. O'Brien, Daniel W. Young, Richard Carl McSorley, Jr., Christopher R. Heeney, Joseph Jurich, JR. +4 more 2024-07-30
11829898 Autonomous robot delivery systems and methods Donald R. High, Michael D. Atchley 2023-11-28
11822343 Systems and methods for controlling communication capabilities of unmanned vehicles via intermediate communication devices David C. Winkle, John J. O'Brien 2023-11-21
11813950 System for storing unmanned aerial vehicles John J. O'Brien, Coleman Johnson, Patricia BIRD, Brian G. McHale, Jeremy Varner +1 more 2023-11-14
11610175 Autonomous robot delivery systems and methods Donald R. High, Michael D. Atchley 2023-03-21
11565424 System and method for task assignment management Donald R. High, Mike Atchley, Wallace Carrell King, Brian Harrison, Amy Savaiinaea 2023-01-31
11544664 System and methods for tracking an item in a distributed environment John J. O'Brien, Daniel W. Young, Richard Carl McSorley, Jr., Christopher R. Heeney, Joseph Jurich, JR. +4 more 2023-01-03
11527119 System and method for securely receiving and storing deliveries Brian G. McHale, John J. O'Brien, Jennifer Hedges 2022-12-13
11401034 Drone delivery system having a single use lowering line Donald R. High, John J. O'Brien, Brian G. McHale, Justin SCHUHARDT 2022-08-02
11396428 Flexible automated sorting and transport arrangement Jason Bellar, Donald R. High, Jeremy L. Velten 2022-07-26
11378968 Autonomous ground vehicle (AGV) cart for item distribution Jeremy L. Velten, Jason Bellar, Donald R. High 2022-07-05
11362806 System and methods for recording codes in a distributed environment Todd D. Mattingly, John J. O'Brien, Brian G. McHale, Bruce W. Wilkinson 2022-06-14
11348057 Autonomous robot delivery systems and methods Donald R. High, Michael D. Atchley 2022-05-31
11117663 Apparatus and method for unmanned flight John P. Thompson, David C. Winkle, Michael D. Atchley, Donald R. High, Todd D. Mattingly +2 more 2021-09-14
11100462 Systems and methods for facilitating delivery of products ordered over the internet to customers Donald R. High, Michael D. Atchley, Todd D. Mattingly 2021-08-24
11079242 System and method for determining autonomous vehicle location using incremental image analysis David C. Winkle, John J. O'Brien 2021-08-03
11004345 Systems and methods for generating and monitoring flight routes and buffer zones for unmanned aerial vehicles Donald R. High, Samantha M. Mangosing, David C. Winkle, John J. O'Brien 2021-05-11
10902425 System and method for biometric credit based on blockchain David Martin Nelms, Sid Shake, Charles Harry Lobo, Donald R. High, Todd D. Mattingly +3 more 2021-01-26
10803688 System and method for storage lockers using digital keys Brian G. McHale, John J. O'Brien 2020-10-13
10639956 Temperature-controlled UAV storage system David C. Winkle 2020-05-05
10635801 Systems and methods for securing access to storage and retrieval systems David G. Tovey, John J. O'Brien, Bruce W. Wilkinson, Brian G. McHale, Donald R. High 2020-04-28
10631169 Unmanned retail delivery vehicle protection systems and methods of protection Donald R. High, David C. Winkle, John J. O'Brien, Todd D. Mattingly 2020-04-21