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Class Information
Number: 125/26
Name: Stone working > Brick cleaning
Description: Removing foreign material adhering to bricks.

Patents under this class:

Patent Number Title Of Patent Date Issued
7281537 Multi-station block-texture modifying system and block-spacer Oct. 16, 2007
6843242 Method for consolidating natural stone blocks Jan. 18, 2005
6234882 Surface enhancement system for building blocks May. 22, 2001
5992404 Process and device for clearing out joints in masonry Nov. 30, 1999
5496206 Building block face enhancement apparatus Mar. 5, 1996
5018504 Method and apparatus for cleaning used bricks May. 28, 1991
4557246 Brick cleaning machine Dec. 10, 1985
4393856 Apparatus for milling building blocks Jul. 19, 1983
4256078 Brick finishing machine Mar. 17, 1981
4004569 Method and apparatus for removing set mortar from recovered building bricks Jan. 25, 1977
3965231 Means and method for defeathering blocks Jun. 22, 1976
3945151 Apparatus for removing mortar from used brick Mar. 23, 1976

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