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Longyear Tm Inc patents


Recent patent applications related to Longyear Tm Inc. Longyear Tm Inc is listed as an Agent/Assignee. Note: Longyear Tm Inc may have other listings under different names/spellings. We're not affiliated with Longyear Tm Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Longyear Tm Inc-related inventors


Fluid control assemblies, and core barrel and overshot assemblies comprising same

Fluid control assemblies including at least one ring. The fluid control assemblies are used within core barrel assemblies to: provide an indication that a core barrel assembly has reached a drilling position and is latched to a drill string; serve as a mechanical shut-off valve that restricts the flow of... Longyear Tm Inc

Drill bits having flushing

A drill bit for cutting a hole in a formation. The drill bit has a shank and a crown. The crown has a plurality of crown portions that are spaced about an operative circumference of the drill bit. The shank and crown cooperate to define an interior space that receives... Longyear Tm Inc

Fiber-containing diamond-impregnated cutting tools and methods of forming and using same

Fibers for diamond-impregnated cutting tools and their associated methods for manufacture and use are described. A matrix is formed that contains fibers made from carbon, glass, ceramic, polymer, and the like. The matrix is then sintered to form a cutting portion of a drill bit. The type and concentration of... Longyear Tm Inc

Handling and recovery devices for tubular members and associated methods

Implementations described herein include a hoisting device and method for handling, coupling and recovery of tubular members such as drill string components. The hoisting device has a self-energizing gripping means configued to releasably engage a drill string component. In one aspect, the self-energizing gripping means can be operable to increase... Longyear Tm Inc

Braking devices for drilling operations, and systems and methods of using same

A brake device for engaging an inner surface of a drill string within a borehole. The brake device has a driving member that defines a plurality of wedge surfaces, a brake retainer that receives at least a portion of the driving member, and a plurality of braking elements positioned in... Longyear Tm Inc

Wireline system and methods of using same

A wireline system for use during drilling operations. The wireline system has a wireline assembly and a roller assembly. Both the wireline assembly and the roller assembly are positioned within a front portion of a drill rig. Described herein, in one aspect, is a wireline system for use on a... Longyear Tm Inc








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