Membership
Tour
Register
Log in
Robert Benjamin Donnally
Follow
Person
Shanghai, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Bi-directionally raisable drilling rig mast
Patent number
9,488,013
Issue date
Nov 8, 2016
National-Oilwell Varco, L.P.
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling rig masts and methods of assembly and erection
Patent number
9,441,423
Issue date
Sep 13, 2016
National-Oilwell Varco, L.P.
Robert Benjamin Donnally
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Bi-directionally raisable drilling rig mast
Patent number
9,163,462
Issue date
Oct 20, 2015
National-Oilwell Varco, L.P.
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bi-directionally raisable drilling rig mast
Patent number
8,904,716
Issue date
Dec 9, 2014
National-Oilwell Varco, L.P.
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling rig mast lift systems and methods
Patent number
8,875,911
Issue date
Nov 4, 2014
National-Oilwell Varco, L.P.
Robert B. Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Substructure of a mobile drilling rig with a movable center floor s...
Patent number
8,863,449
Issue date
Oct 21, 2014
National-Oilwell Varco, L.P.
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pinned structural connection using a pin and plug arrangement
Patent number
8,813,436
Issue date
Aug 26, 2014
National-Oilwell Varco, L.P.
Robert B. Donnally
E04 - BUILDING
Information
Patent Grant
Drilling rig masts and methods of assembly and erecting masts
Patent number
8,549,815
Issue date
Oct 8, 2013
National Oilwell Varco LP
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling rigs and erection methods
Patent number
8,468,753
Issue date
Jun 25, 2013
National Oilwell Varco LP
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling rig structure installation and methods
Patent number
8,250,816
Issue date
Aug 28, 2012
National Oilwell Varco LP
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling rig drawworks installation
Patent number
8,047,303
Issue date
Nov 1, 2011
National Oilwell Varco LP
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Grant
Vertically folding service arm for a movable platform offshore dril...
Patent number
7,234,896
Issue date
Jun 26, 2007
National-Oilwell, L.P.
Robert B. Donnally
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR RAISING DRILLING RIG ASSEMBLIES
Publication number
20200048965
Publication date
Feb 13, 2020
National-Oilwell Varco, L.P.
Fuquan Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING RIG MASTS AND METHODS OF ASSEMBLY AND ERECTION
Publication number
20150059262
Publication date
Mar 5, 2015
National Oilwell Varco, L.P.
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
BI-DIRECTIONALLY RAISABLE DRILLING RIG MAST
Publication number
20150052828
Publication date
Feb 26, 2015
National-Oilwell Varco, L.P.
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
BI-DIRECTIONALLY RAISABLE DRILLING RIG MAST
Publication number
20150047908
Publication date
Feb 19, 2015
National-Oilwell Varco, L.P.
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
BI-DIRECTIONALLY RAISABLE DRILLING RIG MAST
Publication number
20130291452
Publication date
Nov 7, 2013
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
SUBSTRUCTURE OF A MOBILE DRILLING RIG WITH A MOVABLE CENTER FLOOR S...
Publication number
20130276386
Publication date
Oct 24, 2013
National-Oilwell Varco, L.P.
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
PINNED STRUCTURAL CONNECTION USING A PIN AND PLUG ARRANGEMENT
Publication number
20120066999
Publication date
Mar 22, 2012
Robert B. Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING RIG MAST LIFT SYSTEMS AND METHODS
Publication number
20120047820
Publication date
Mar 1, 2012
Robert B. Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling rigs and erection methods
Publication number
20090218139
Publication date
Sep 3, 2009
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling rig masts and methods of assembly and erecting masts
Publication number
20090218144
Publication date
Sep 3, 2009
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling rig structure installation and methods
Publication number
20090218138
Publication date
Sep 3, 2009
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling rig drawworks installation
Publication number
20090218137
Publication date
Sep 3, 2009
Robert Benjamin Donnally
E21 - EARTH DRILLING MINING
Information
Patent Application
Vertically folding service arm for a movable platform offshore dril...
Publication number
20060078406
Publication date
Apr 13, 2006
National-Oilwell, L.P.
Robert B. Donnally
E21 - EARTH DRILLING MINING