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Class 173/61 - Additional cleansing fluid source


Subclass of Class 173 - Tool driving or impacting
Definition: Apparatus in which a means is provided to utilize a fluid
No. of patents: 2
Last issue date: 05/08/2001


NumberTitleIssue Date
6227307Sound and dust proof breaker
A hydraulic breaker for absorbing and reducing vibration and noise generated from the breaker and for reducing debris and dust scattered from the impact tool during using the breaker is provided. Space between main body of the breaker and outer housing is...
05/08/2001
4702325Apparatus and method for driving casing or conductor pipe
Apparatus for driving casing, piles, or conductor pipe into the ground comprises in combination; an external reciprocal impact driving means supported atop the conductor pipe, internal rotatable drilling means supported within the conductor pipe, and mean...
10/27/1987
 
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