Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 144/28.8
Name: Woodworking > Special-work machine > Pencil sharpening > Movable tool > Rotatable or revolvable > Work holder or guide also rotary
Description: Machine wherein the work holder or guide is movable about its own internal axis and relative to the tool during the material-removing operation.










Patents under this class:

Patent Number Title Of Patent Date Issued
8459317 Hand-cranked pencil sharpeners Jun. 11, 2013
8225827 Sharpener with noise reducing features Jul. 24, 2012
8205649 Cutter assembly and electric pencil sharpener Jun. 26, 2012
7669619 Electric pencil sharpener Mar. 2, 2010
7654385 Machine for front joining and sticking of oblong wood workpieces by toothed front joints and referential procedure Feb. 2, 2010
6637481 Apparatus for sharpening a writing instrument Oct. 28, 2003
4676028 Honing tool Jun. 30, 1987
3973604 Single cutter pencil sharpener Aug. 10, 1976











 
 
  Recently Added Patents
Methods and systems for assessing sales activity of a merchant
Computer system for routing package deliveries
Probe for ultrasound diagnostic apparatus
Solution based precursors
Memory device having collaborative filtering to reduce noise
Hair motion compositor system for use in a hair/fur pipeline
Fire detector
  Randomly Featured Patents
Lamp unit of vehicular headlamp
Beverage glass or similar article
Radiator construction
Motor vehicle door handle apparatus and method of installation
Face panel for a computer hard file or similar article
Electromagnetic wave absorbers of silicon carbide fibers
Speech channel switching networks suitable for use in combination with electronic key telephone sets
Dog collar training aid
Aquarium
Pipe connector