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Class Information
Number: 451/45
Name: Abrading > Abrading process > Razor, knife, or scissors sharpening
Description: Method for sharpening the cutting edge of cutlery comprising a razor, knife, or a blade of a pair of scissors by an abrading operation.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8694149 Engagement milling using circularly shaped tool passes Apr. 8, 2014
8678882 Combination sharpener assembly Mar. 25, 2014
8632377 Ultrasonic trimming method Jan. 21, 2014
8616937 Running bases Dec. 31, 2013
8597073 Method and device for machining the leading edge of a turbine engine blade Dec. 3, 2013
8585462 Precision sharpener for ceramic knife blades Nov. 19, 2013
8574030 Method of making an ice skate blade Nov. 5, 2013
8523638 Edge tool and sharpener in combination Sep. 3, 2013
8512103 Cutting tool sharpener Aug. 20, 2013
8512094 Ultrasonic trimming method Aug. 20, 2013
8485867 Honing apparatus Jul. 16, 2013
8460071 Hand held sharpening device Jun. 11, 2013
8430720 Apparatus for precision steeling/conditioning of knife edges Apr. 30, 2013
8430723 Contour guide for ice skate sharpener Apr. 30, 2013
8388413 Wideblade sharpening guide Mar. 5, 2013
8348722 Mower blade sharpening device Jan. 8, 2013
8337281 Self-aligning rotary blade holder for sharpener Dec. 25, 2012
8287332 Method and apparatus for machining workpieces Oct. 16, 2012
8277284 Ice skate blade sharpening machines and associated method of dressing a grinding wheel Oct. 2, 2012
8277291 Abrasive slotted disc with controlled axial displacement of a workpiece Oct. 2, 2012
8267752 Knife sharpening device of circular knife Sep. 18, 2012
8262438 Knife sharpener Sep. 11, 2012
8257148 Knife insert with bottom edge relief for cutting edge alignment Sep. 4, 2012
8197304 Method and apparatus for sharpening a tool blade Jun. 12, 2012
8152600 Sharpener for rotary cutters Apr. 10, 2012
8092279 Sharpening system for scissors with complex curved blades Jan. 10, 2012
8033894 Razor blade sharpener and method of sharpening Oct. 11, 2011
7993183 Method of sharpening a wood working knife Aug. 9, 2011
7959494 Sharpening cutting blades having a progressively changing cutting angle Jun. 14, 2011
7934978 Ice skate blade sharpening machine May. 3, 2011
7918715 Device and method for sharpening blades Apr. 5, 2011
7896729 Universal rotary blade holder for sharpener Mar. 1, 2011
7874896 Sharpening guide assembly Jan. 25, 2011
7857681 Automatic rotation knife sharpener Dec. 28, 2010
7828629 Knife grinder Nov. 9, 2010
7740522 Knife sharpener Jun. 22, 2010
7722443 Knife blade dressing apparatus May. 25, 2010
7686676 Precision sharpener for hunting and Asian knives Mar. 30, 2010
7686675 Blade sharpening for electric shavers Mar. 30, 2010
7614938 Reconditioned medical devices Nov. 10, 2009
7614937 Cutting device and method of generating cutting geometry Nov. 10, 2009
7572171 Cutting-tool holder used for grinding Aug. 11, 2009
7553220 Retractable abrasive sharpener and carrying case Jun. 30, 2009
7553216 Honing guide assembly Jun. 30, 2009
7549910 Blade sharpening holder Jun. 23, 2009
7530884 System and method for duplicating keys May. 12, 2009
7503835 Lawnmower blade sharpener Mar. 17, 2009
7465220 Apparatus and method for corrugating resharpened blades Dec. 16, 2008
7455572 Method and device for grinding a saw chain Nov. 25, 2008
7413504 Blade sharpening device with blade contour copying device Aug. 19, 2008

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