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
Coordinate measuring device and method for measuring with a coordinate measuring device
Method for producing carrier on which microorganisms capable of conducting multiple parallel mineralization are immobilized, column reactor and solid medium for cultivating plants
Snapshots in de-duplication
Automated user interface adjustment
High porosity ceramic honeycomb article containing rare earth oxide and method of manufacturing same
Methods and systems for flicker correction
Mobile communication device
  Randomly Featured Patents
High-speed, low-power input buffer for integrated circuit devices
Insertion stylet
Event bookmarks
Piezoelectric apparatus and process for detection of insect infestation in an agricultural commodity
Solid state ion selective electrodes
Battery management system and method
Process for producing ethanol using a crude vinyl acetate feed
Actuator with internal drive train disconnect
Operating device for the cover of a sliding and lifting sunroof
Interdigital transducer with distibuted excitation