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Class Information
Number: 144/218
Name: Woodworking > Rotary cutter
Description: Device directed to a cutter-head for wood adapted to turn about an axis during operation, not elsewhere classifiable.










Sub-classes under this class:

Class Number Class Name Patents
144/236 Arranged in a pattern 10
144/221 Cylindrical cutter having spiral bit 26
144/234 Disk cutter including eccentric segmental bit 2
144/232 Disk cutter including multiple clamping disks, pivoted bit 3
144/233 Disk cutter including multiple clamping disks, shank bit 3
144/231 Disk cutter including multiple clamping disks, tangential bit 49
144/235 Disk cutter including side attached, edge cutting bit 78
144/239 Distorted saw 2
144/222 Double saw having intermediate cutter 10
144/219 End thrust 40
144/220 Frusto-conical 57
144/237 Gang of disk cutters 42
144/230 Having slotted bit seat 183
144/228 Plane bit seat in radial arm of cutter 15
144/227 Polygonal rotary cutter having concave bit seat 3
144/226 Polygonal rotary cutter having convex bit seat 0
144/225 Polygonal rotary cutter having plane bit seat 15
144/224 Polygonal rotary cutter having t-slot bit clamp 4
144/223 Single saw with side cutter 15
144/229 Slotted bit seat in radial arm of cutter 20
144/240 Solid 34
144/238 Wobble saw 16


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8281826 Sharp edged knife stop Oct. 9, 2012
8251112 Substantially helical, stepped blade row cutterhead having removable blade units Aug. 28, 2012
8201598 Cutting tool for use with a stump cutting apparatus Jun. 19, 2012
8176955 Disk flaker knife assembly May. 15, 2012
8167013 Locking element for use with a knife clamping assembly May. 1, 2012
8151839 Device of double saw blades Apr. 10, 2012
8061396 Tooth for a circular saw or mower drum Nov. 22, 2011
7954523 Cutter head assembly for a wood planing machine Jun. 7, 2011
7938155 Ring strander knife assembly and method of use May. 10, 2011
7918252 Tree stump grinding teeth Apr. 5, 2011
7861754 Edger with staggered saws Jan. 4, 2011
7836923 Ring slicer with easily removable knife and knife assembly Nov. 23, 2010
7832435 Cutter head of a planar machine Nov. 16, 2010
7780102 Feed roller drive for wood chipper Aug. 24, 2010
7770615 Ring saw Aug. 10, 2010
7708038 Substantially helical, stepped blade row cutterhead having removable blade units May. 4, 2010
7708039 Chipping apparatus having an adjustable cutting angle May. 4, 2010
7708040 High speed planer head May. 4, 2010
7703487 Cutterhead Apr. 27, 2010
7694704 Tree stump grinding teeth Apr. 13, 2010
7686045 Apparatus and method for creating a flat surface on a workpiece Mar. 30, 2010
7677282 Knife assembly and chipping knife therefor Mar. 16, 2010
7600543 Stump grinding disk and wear strips therefor Oct. 13, 2009
7584772 Method for clamping a knife in a disc chipper and a knife clamp for a knife assembly Sep. 8, 2009
7533704 Tool-shaft locking device for a planing machine May. 19, 2009
7520305 Systems for orienting strands and other wood particles Apr. 21, 2009
7404421 Blade holder, blade and blade tool head Jul. 29, 2008
7398805 Self-propelled/tow-behind, variable width stump cutting machine Jul. 15, 2008
7293588 Woodworking tools Nov. 13, 2007
7249619 Sawing device having an adjustable profile Jul. 31, 2007
7240597 Circular saw having wiper tips Jul. 10, 2007
7219706 Apparatus having adjustable saws for wood cutting May. 22, 2007
7213623 Stump cutting device with load-distributing tooth sockets May. 8, 2007
7201339 Method and apparatus for producing wood shavings Apr. 10, 2007
7182112 Wood planing machine with an improved cutter head and method Feb. 27, 2007
7140408 Knife assembly and chipping knife therefor Nov. 28, 2006
7134463 Apparatus for chipping material Nov. 14, 2006
7131473 Programmable coping bit Nov. 7, 2006
7124795 Stump cutter device and cutter insert unit for the stump cutter device Oct. 24, 2006
7108212 Angular tool and holding block Sep. 19, 2006
7100649 Rotary cutter for a wood planing machine Sep. 5, 2006
7100648 Plane-blade adjusting device for a planing machine Sep. 5, 2006
7093628 Method of and apparatus for forming timbers with rounded ends Aug. 22, 2006
7051776 Rotary cutter for a wood planing machine May. 30, 2006
RE38930 Knife holder for a chipper disc Jan. 10, 2006
6968879 Knife and apparatus for clamping a knife Nov. 29, 2005
6951313 Knife for disk chip cutting machines Oct. 4, 2005
6926051 Planing cutter Aug. 9, 2005
6820663 Tool for machining workpieces of wood, plastic material or the like Nov. 23, 2004
6772810 Canter chipper head and knife mounting Aug. 10, 2004

1 2 3 4 5 6










 
 
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