LandOfFree - US Patents - Listing for Tools,Wrench, screwdriver, or driver therefor,Machine

Tools – Wrench – screwdriver – or driver therefor – Machine

Machine for making up and breaking out pipe joints

Tools – Wrench – screwdriver – or driver therefor – Machine

Machine to apply a screwing or unscrewing torque

Tools – Wrench – screwdriver – or driver therefor – Machine

Maneuverable wellbore tubular makeup and breakout apparatus...

Tools – Wrench – screwdriver – or driver therefor – Machine

Manipulating device for performing remotely-controlled work with

Tools – Wrench – screwdriver – or driver therefor – Machine

Manipulator for automatic screwdriver

Tools – Wrench – screwdriver – or driver therefor – Machine

Manual core rotation device

Tools – Wrench – screwdriver – or driver therefor – Machine

Manual electric tool

Tools – Wrench – screwdriver – or driver therefor – Machine

Manual tong safety latch

Tools – Wrench – screwdriver – or driver therefor – Machine

Manually operable rod holder

Tools – Wrench – screwdriver – or driver therefor – Machine

Manually operated gear wrench

Tools – Wrench – screwdriver – or driver therefor – Machine

Manually-powered drive device and assembly

Tools – Wrench – screwdriver – or driver therefor – Machine

Marine riser tool

Tools – Wrench – screwdriver – or driver therefor – Machine

Master tool

Tools – Wrench – screwdriver – or driver therefor – Machine

Maximum capability wrench

Tools – Wrench – screwdriver – or driver therefor – Machine

Mechanical tensioner

Tools – Wrench – screwdriver – or driver therefor – Machine

Mechanism for connecting and disconnecting tubulars

Tools – Wrench – screwdriver – or driver therefor – Machine

Mechanism for coupling and selectively positioning a socket driv

Tools – Wrench – screwdriver – or driver therefor – Machine

Mechanism for locating a slotted socket relative to a drive tran

Tools – Wrench – screwdriver – or driver therefor – Machine

Method and apparatus for automatically tightening and untighteni