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| Number | Title | Issue Date |
| 7347281 | Coring tubular and method for reducing contamination and processing speed of a core sample Disclosed herein is a coring tubular. The coring tubular has a body, at least one opening hole radially oriented in the tubular body and a parting line in the tubular body. Further disclosed herein is a method for reducing contamination of a core sample. The method ... | 03/25/2008 |
| 7234547 | Apparatus and methods for sponge coring A sponge core barrel for use in performing sponge coring and methods of assembling the sponge core barrel, as well as methods of performing sponge coring. The sponge core barrel includes an outer barrel assembly, a core bit secured to a lower end thereof, and an inn... | 06/26/2007 |
| 6394196 | Core drill A double-tube core drill wherein the inner tube (2) is connected to the outer tube (1) by a multi-element needle and/or ball bearing (11), allows for the inner tube (2) to be made rigid and prevents it from rotating along with the outer tube (1). The extr... | 05/28/2002 |
| 6116358 | Core sampler A core sampler, particularly for use in oil prospecting, including a flexible movable ring (5), provided in particular at the front end (2) of the core sampler, which end is connected to a coring bit (3), for grasping a core sample (C) to be brought to th... | 09/12/2000 |
| 5353940 | Alignment system for crane works and method of alignment A system for aligning a crane upper works with a crane lower works for redecking the upper works with the lower works comprises at least one roller operatively connected to at least one of the upper works and the lower works, and at least one surface oper... | 10/11/1994 |
| 5101917 | In-place soil sampler An in-place soil sampler assembly includes an outer barrel or tube coupled to a corer point at one end thereof. An inner samping tube is contained within the outer tube. A soil sample retainer has a support ring connected to one end of the inner sampling ... | 04/07/1992 |
| 4946000 | Undisturbed soil sampler A soil sampler assembly for obtaining undistrubed soil samples having an outer corer member for coring the soil during sampling and including first and second ends and also having an inner sampling member having first and second ends with the inner sampli... | 08/07/1990 |
| 4930587 | Coring tool A coring tool comprises a core cutting section and an actuating section disposed thereabove. The core cutting section includes axially telescoping outer and inner barrels. The inner barrel includes a jaw carrier which carries pivotable core-catching jaws ... | 06/05/1990 |
| 4671367 | Pole hole digger with percussive core drilling A drilling attachment for a utility truck designed for digging pole holes for ordinary utility and telephone poles is disclosed herein. The attachment is intended to replace the auger portion of a conventional auger digger when it is necessary to drill th... | 06/09/1987 |
| 4664205 | Hydraulic inner barrel in a drill string coring tool An axial bore is defined throughout the hydraulic lift inner barrel. This axial bore is communicated with the interior of the inner tube thereby allowing the interior of the inner tube to be flushed prior to initiation of the coring operation. When the co... | 05/12/1987 |
| 4553613 | Hydraulic lift inner barrel in a drill string coring tool An automatically operable hydraulic lift inner barrel is devised to lift the inner tube of the core barrel on a drill string. An inner mandrel is axially disposed within the outer tube of the coring tool. An outer piston which is selectively locked to the... | 11/19/1985 |
| 4552229 | Externally powered core catcher A mechanism for catching and holding a core within an inner tube in a drill string includes a slidable core catcher and a full closure core catcher. The slidable core catcher is disposed within the inner tube and is coupled to an inner tube ring concentri... | 11/12/1985 |
| 4440240 | Method of making holes in the soil and apparatus for performing this method The method of making holes in the soil includes driving a capsule into the oil by percussive action and filling the capsule with the soil. Then the driving of the capsule into the soil by percussive action is continued, with the soil passing therethrough. ... | 04/03/1984 |
| 4015433 | Method for settling anchoring device in the ground The present invention relates to an anchoring device which rigidly supports many kinds of standing objects in public works or in the construction industry and provides resistance to pulling loads exerted on the device, and also to a method for settling th... | 04/05/1977 |
| 3949497 | Releasable latching apparatus for a benthic grab Releasable latching apparatus for a benthic dredge having closures latchable in open position, the apparatus comprising vertically displaceable latch pins coupled to a plunger which is vertically displaceable by a weighted messenger.... | 04/13/1976 |
