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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 175/310
Name: Boring or penetrating the earth > With receptacle > With helical conveyer
Description: Apparatus in which the receptacle is provided with a conveyor or feed screw.










Patents under this class:

Patent Number Title Of Patent Date Issued
8196681 Earth boring device Jun. 12, 2012
7669673 Auger having interchangeable cutting heads and method of using the same Mar. 2, 2010
7631705 Enhanced screen auger sampling system Dec. 15, 2009
6769498 Method and apparatus for inducing under balanced drilling conditions using an injection tool attached to a concentric string of casing Aug. 3, 2004
6681872 In situ reactor Jan. 27, 2004
5655610 Auger cleaner Aug. 12, 1997
5224548 Apparatus and method for retrieving lost materials in slanted boreholes Jul. 6, 1993
5067570 Auger and retaining shell assembly Nov. 26, 1991
4790395 Pipe-driving apparatus Dec. 13, 1988
4228862 Apparatus for drilling holes in the ground Oct. 21, 1980
4210215 Rock drill with helical dust conveying groove Jul. 1, 1980
4156471 Rubble and core removal apparatus May. 29, 1979
3938598 Belling apparatus Feb. 17, 1976











 
 
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