Inventor
DONNALLY ROBERT BENJAMIN
US18 patents
⚠️ This page may combine multiple inventors who share the name “DONNALLY ROBERT BENJAMIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OILWELL VARCO LP
14 patentsUS11035183B2Jun 15, 2021
Devices, systems, and methods for top drive clearing
NAT OILWELL VARCO LP15 citations93
US9163462B2Oct 20, 2015
Bi-directionally raisable drilling rig mast
NAT OILWELL VARCO LP22 citations91
US8904716B2Dec 9, 2014
Bi-directionally raisable drilling rig mast
NAT OILWELL VARCO LP29 citations91
US8863449B2Oct 21, 2014
Substructure of a mobile drilling rig with a movable center floor section
NAT OILWELL VARCO LP19 citations91
US8047303B2Nov 1, 2011
Drilling rig drawworks installation
NAT OILWELL VARCO LP18 citations91
US11613940B2Mar 28, 2023
Devices, systems, and methods for robotic pipe handling
NAT OILWELL VARCO LP11 citations83
US11952844B2Apr 9, 2024
Tubular string building system and method
NAT OILWELL VARCO LP2 citations72
US10961780B2Mar 30, 2021
Systems and methods for raising drilling rig assemblies
NAT OILWELL VARCO LP2 citations67
US12473783B2Nov 18, 2025
Tubular string building system and method
NAT OILWELL VARCO LP0 citations61
US11891864B2Feb 6, 2024
Pipe handling arm
NAT OILWELL VARCO LP0 citations61
US9488013B2Nov 8, 2016
Bi-directionally raisable drilling rig mast
NAT OILWELL VARCO LP1 citations61
US11754048B2Sep 12, 2023
Tower erection system
NAT OILWELL VARCO LP1 citations57
US11884520B2Jan 30, 2024
Mobile tower crane systems and methods
NAT OILWELL VARCO LP0 citations56
US10851595B2Dec 1, 2020
Shipping arrangement and assembly procedure for drilling rig structures
NAT OILWELL VARCO LP0 citations31
DONNALLY ROBERT BENJAMIN
4 patentsUS8468753B2Jun 25, 2013
Drilling rigs and erection methods
DONNALLY ROBERT BENJAMIN63 citations95
US8250816B2Aug 28, 2012
Drilling rig structure installation and methods
DONNALLY ROBERT BENJAMIN74 citations93
US8549815B2Oct 8, 2013
Drilling rig masts and methods of assembly and erecting masts
DONNALLY ROBERT BENJAMIN45 citations92
US9441423B2Sep 13, 2016
Drilling rig masts and methods of assembly and erection
DONNALLY ROBERT BENJAMIN23 citations90