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2018
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Invention
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Hybrid plug drill-out bit.
A drill bit includes a cone section, a blade flank section, a blade s... |
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Invention
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Hybrid plug drill-out bit.
A drill bit includes a cone section, a blade flank section,... |
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2015
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Invention
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Air/water separator for drill bits, drill bit and drilling assembly comprising such a separator a... |
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2014
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Invention
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Rotary drill bit air/water separator. An air/water separator including a first hollow member conf... |
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2012
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Invention
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Rotary drill bit. An air-cooled earth-boring drill bit including a plurality of lugs. Each lug in... |
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Invention
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Percussion assisted rotary earth bit and method of operating the same. 2). |
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Invention
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Reverse circulation bit assembly. A drill bit assembly for boring including a drill bit and a bit... |
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Invention
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Drill bit for boring earth and other hard materials. A drill bit for drilling a hole through eart... |
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2011
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Invention
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Down hole hammer having elevated exhaust. A percussive assisted rotary drill includes a top sub f... |
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2010
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Invention
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Percussion assisted rotary earth bit and method of operating the same. A hammer assembly is actua... |
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Invention
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Drill bit with recessed center. A drill bit configured for boring holes or wells into the earth i... |
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Invention
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Drill bit for earth boring. Embodiments of the present invention include a drill bit comprised of... |
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Invention
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Drill bit for earth boring.
Embodiments taught herein include a drill bit comprised of... |
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Invention
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Drill bit for earth boring. Embodiments of the present invention include a drill bit configured f... |
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Invention
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Down hole hammer having elevated exhaust.
A percussive assisted rotary drill inc... |
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2009
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Invention
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Percussion assisted rotary earth bit and method of operating the same.
A method of bo... |
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Invention
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Variable frequency control for down hole drill and method. A variable frequency down hole drill, ... |
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Invention
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Seal assembly for a rotary earth bit.
An earth bit includes a cutting cone carried
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Invention
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Seal assembly for a rotary earth bit. An earth bit includes a cutting cone carried by a lug, and ... |
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2008
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Invention
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Earth bit with hub and thrust units. An earth bit includes a cone rotatably mounted to a shaft wi... |
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2007
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Invention
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Earth bit having a pressure relief valve. An earth bit includes a cutting cone mounted to a lug t... |
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2006
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Invention
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Device for channeling solids and fluids within a reverse circulation drill. A device is for chann... |
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1999
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G/S
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Excavating tools for use with construction equipment, namely, shovels, buckets and claws, for use... |
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Invention
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Roll-resistant hydraulic suspension system, kit and method for load handling vehicles. A suspensi... |
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1994
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G/S
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Attachments for excavators and loaders, namely, buckets, rippers, scarafiers, grapples, and coupl... |
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1985
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G/S
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ATTACHMENTS FOR EXCAVATORS AND LOADERS -- NAMELY, BUCKETS, RIPPERS, SCARAFIERS, GRAPPLES, AND COU... |
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1980
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G/S
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Earth Moving Equipment-, namely, Scrapers, Scarifiers, Back Hoe Buckets, Loader Buckets [, Dozers... |
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1972
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G/S
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MATERIALS HANDLING EQUIPMENT-NAMELY, BACKHOE BUCKETS AND ATTACHMENTS THEREFOR |
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1959
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G/S
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EXCAVATING EQUIPMENT AND THE LIKE |
