Shanghai
China
10
2020-02-13
The entities that hold a legal rights for patent applications filed by inventor Donnally Robert Benjamin:
Robert Benjamin Donnally from Shanghai, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Systems and methods for raising drilling rig assemblies
#2 | 2015-03-05Drilling rig masts and methods of assembly and erection
#3 | 2015-02-26Bi-directionally raisable drilling rig mast
#4 | 2015-02-19Bi-directionally raisable drilling rig mast
#5 | 2013-11-07Bi-directionally raisable drilling rig mast
#6 | 2013-10-24Substructure of a mobile drilling rig with a movable center floor section
#7 | 2009-09-03Drilling rig masts and methods of assembly and erecting masts
#8 | 2009-09-03Drilling rigs and erection methods
#9 | 2009-09-03Drilling rig structure installation and methods
#10 | 2009-09-03Drilling rig drawworks installation
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