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Matches 1 - 17 out of 17
Match
Document
Document Title
1
7906843
Substrate having a functionally gradient coefficient of thermal expansion
A substrate and a method of making a substrate having a functionally gradient coefficient of thermal expansion are described herein. A system having a silicon die, an organic package substrate, and...
2
7737818
Embedded resistor and capacitor circuit and method of fabricating same
An embedded resistor and capacitor circuit and fabrication method is provided. The circuit includes a substrate, a conductive foil laminated to the substrate, and a thick film dielectric material...
3
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...
4
4296822
Multipurpose fluid flow assisted downhole tool
A multipurpose fluid flow assisted downhole tool that is adapted for attachment to the lower end of a pipe string to be extended into a well bore and which is capable of cutting sample cores from...
5
3964555
Apparatus for obtaining earth cores
An apparatus for obtaining earth samples of soil or rock from the bottom of holes previously drilled in the earth, the apparatus having an outer and inner non-rotatable casing and a rotatable...
6
3741323
DOUBLE TUBE CORE BARREL WHICH IS LOWERED THROUGH DRILL PIPE
The double tube core barrel of the invention, which is to be lowered through a drill pipe, has a locking system between inner and outer tubular parts thereof which is particularly characterized by...
7
3596723
CORE-RETRIEVING METHOD AND APPARATUS
Apparatus for retrieving cores while drilling a borehole which enables an elongated cylindrical solid core sample to be obtained from a formation. A coring bit together with a core barrel which...
8
3540537
SLOTTED CORE LIFTER APPARATUS
9
RE11597
Title is not available
10
RE14356
Title is not available
11
3428138
OFFSET CORE LIFTER APPARATUS
12
3270824
Turbo-coredrill
13
2944795
Combined coring and reaming apparatus
14
2876996
Core barrel
15
2829868
Wire line core barrel
16
2815934
Apparatus for core drilling wells
17
2789790
Core drilling apparatus
Matches 1 - 17 out of 17