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
Implant free extremely thin semiconductor devices
LED package with top and bottom electrodes
Implantable defibrillator systems and methods with mitigations for saturation avoidance and accommodation
Method for parking or exiting a parking bay and for avoiding a collision of a vehicle, and corresponding assistance systems and vehicle
Recombinant negative strand virus RNA expression systems and vaccines
Image forming apparatus and system connectable with an authorization apparatus via a communications network, the image forming apparatus comprising an apparatus control section, an initial inq
Three-term predictive adder and/or subtracter
  Randomly Featured Patents
Air purifier with Ozone reduction arrangement
System and method for detecting redundant subroutine calls
Magnet actuator for a camshaft controller
Fault-tolerant computer system with auto-restart after power-fall
Article guide for an apparatus for controlling the flow of articles
Electronic device
Non-contact power charging system and control method thereof
Novel compositions containing molybdenum disulfide
Computing environment having secure storage device
Word recognition with HMM speech, model, using feature vector prediction from current feature vector and state control vector values