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Class Information
Number: 175/226
Name: Boring or penetrating the earth > With sample covering or coating means (1) dispensed into sample receiver, or (2) fluent
Description: Apparatus in which a substantially undisturbed sample of the formation is covered or coated with (1) a material which is fed into the sample receiver and applied to the sample as the sample is being taken to enclose or form a cover therefor or (2) a fluent material which is applied to the sample to enclose or coat a portion thereof.










Patents under this class:

Patent Number Title Of Patent Date Issued
8499856 Small core generation and analysis at-bit as LWD tool Aug. 6, 2013
8220563 Ultra-low friction coatings for drill stem assemblies Jul. 17, 2012
7600580 Sealed core sample barrel Oct. 13, 2009
7172036 Soil sample containment device and method Feb. 6, 2007
7124841 Crustal core sampler and method of coring crustal core sample using the same Oct. 24, 2006
7100707 Stabilized soil core samples and method for preparing same Sep. 5, 2006
7093676 Apparatus and methods for sponge coring Aug. 22, 2006
6719070 Apparatus and methods for sponge coring Apr. 13, 2004
6695075 Soil sampler Feb. 24, 2004
6283228 Method for preserving core sample integrity Sep. 4, 2001
6125948 Soil sampling device with frangible section Oct. 3, 2000
6098725 Soil sampling device with frangible section and method of sampling Aug. 8, 2000
5980628 Curable gypsum-containing composition and method for stabilization of unconsolidated core samples Nov. 9, 1999
5881825 Method for preserving core sample integrity Mar. 16, 1999
5568838 Bit-stabilized combination coring and drilling system Oct. 29, 1996
5560438 Method and composition for preserving core sample integrity using an encapsulating material Oct. 1, 1996
5482123 Method and apparatus for pressure coring with non-invading gel Jan. 9, 1996
5439065 Rotary sidewall sponge coring apparatus Aug. 8, 1995
5360074 Method and composition for preserving core sample integrity using an encapsulating material Nov. 1, 1994
D310444 Container for drilling core Sep. 11, 1990
4643265 Core barrel apparatus for disposing a core within a thin, flexible film casing Feb. 17, 1987
4598777 Method and apparatus for preventing contamination of a coring sponge Jul. 8, 1986
4587857 Method for mounting poorly consolidated core samples May. 13, 1986
4566545 Coring device with an improved core sleeve and anti-gripping collar with a collective core catcher Jan. 28, 1986
4512423 Coring device with an improved weighted core sleeve and anti-gripping collar Apr. 23, 1985
4512419 Coring device with an improved core sleeve and anti-gripping collar Apr. 23, 1985
4449594 Method for obtaining pressurized core samples from underpressurized reservoirs May. 22, 1984
4356872 Downhole core barrel flushing system Nov. 2, 1982
4156469 Method of and apparatus for recovery of cores from soft and unconsolidated earth materials May. 29, 1979
4071099 Method and apparatus for stabilizing borehole cores Jan. 31, 1978
4055051 Unitary drill bit and roof bolt Oct. 25, 1977











 
 
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