Inventor · Singapore, SG

Mark S. Holly

30Patents
3h-index
24Co-inventors
59Inventor score

Filing activity: Dec 1, 2009 → Sep 19, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8602115B2 Grip enhanced tractoring Fixed Constructions 17 Active
US9890611B2 Electromechanical device for engaging shiftable keys of downhole tool Fixed Constructions 5 Active
US8910720B2 Downhole tool with roller screw assembly Fixed Constructions 3 Active
US9784078B2 Multi-perforating tool Fixed Constructions 3 Active
US10767447B2 Downhole radial cleanout tool Fixed Constructions 2 Active
US10415314B2 Downhole mechanical percussive hammer drill assembly Fixed Constructions 2 Active
US10392889B2 Downhole cable grab assembly and method of use Fixed Constructions 2 Active
US10760373B2 System to control extrusion gaps in an anti-extrusion device Fixed Constructions 2 Active
US9605514B2 Using dynamic underbalance to increase well productivity Fixed Constructions 1 Active
US9988869B2 Jarring using controllable powered bidirectional mechanical jar Fixed Constructions 1 Active
US10094189B2 Constant force downhole anchor tool Fixed Constructions 1 Active
US11506014B1 Temporary wellbore barrier using ferromagnetic fluid Fixed Constructions 1 Active
US9243474B2 Using dynamic underbalance to increase well productivity Fixed Constructions 1 Active
US10400532B2 Downhole tool anchoring device Fixed Constructions 0 Active
US11927092B2 Downhole barrier and isolation monitoring system Fixed Constructions 0 Active
US10557327B2 Bridge plugs Fixed Constructions 0 Active
US11174692B2 Crown plug pulling tool with bailer feature Fixed Constructions 0 Active
US11286767B2 Accessible wellbore devices Fixed Constructions 0 Active
US11236565B2 Setting bridge plug on wireline through core bit Fixed Constructions 0 Active
US10161195B2 Low stress rope socket for downhole tool Fixed Constructions 0 Active
US10294743B2 Devices and methods for anchoring the tools in a wellbore casing section Fixed Constructions 0 Active
US12241337B2 Method for opening a completion isolation valve with e-line powered shifting tool Fixed Constructions 0 Active
US10184157B2 Selective annealing process for perforation guns Performing Operations; Transporting 0 Active
US11536131B2 Automated isolation system Fixed Constructions 0 Active
US10927632B2 Downhole wire routing Fixed Constructions 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.