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Class Information
Number: 300/10
Name: Brush, broom, and mop making > Brush-making machines > Work holders
Description: Devices for holding brush-backs or blocks while being subjected to drilling, tuft-setting, filling, or other brush-making operations, except those for automatically positioning the back or block to bring to the working point successive areas corresponding to the desired positions of the tufts in the completed brush, for which see this class, ... .

Sub-classes under this class:

Class Number Class Name Patents
300/11 Positioning devices 23

Patents under this class:

Patent Number Title Of Patent Date Issued
8365339 Device for holding the head of a toothbrush Feb. 5, 2013
8141958 Device for holding the head of a toothbrush Mar. 27, 2012
7488043 Device for manufacturing brushes Feb. 10, 2009
7175238 Process and arrangements for producing a toothbrush, the toothbrush, and also the use of the toothbrush Feb. 13, 2007
6988777 Process for producing a toothbrush Jan. 24, 2006
6588851 Clamp for retaining bristle bundles of various sizes Jul. 8, 2003
5893612 Apparatus and method for rounding fiber ends of brushes Apr. 13, 1999
5863102 Method and apparatus to permit attachment of bristles to toothbrushes with resiliently flexible heads and to thereafter permit the trimming and end rounding of such bristles Jan. 26, 1999
5431484 Process and apparatus for producing brushes Jul. 11, 1995
5176427 Bristle treatment Jan. 5, 1993
4998779 Apparatus and methodology for producing rounded brush tips Mar. 12, 1991
4989919 Method and apparatus for manufacturing compliant brush seals Feb. 5, 1991
4944561 Process and apparatus for producing bunches of artificial or natural brush material Jul. 31, 1990
4884849 Apparatus for manufacture of end brush Dec. 5, 1989
4854645 Brush manufacturing machine Aug. 8, 1989
4818028 Universal brush clamp Apr. 4, 1989
4768837 Brush body holder Sep. 6, 1988
4603912 Brush manufacturing machine Aug. 5, 1986
4255224 Machine for the manufacture of brushes Mar. 10, 1981
4218096 Device for handling brush bodies made of flexible material Aug. 19, 1980

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