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
Apparatus and method for adapted deblocking filtering strength
Layout design defect repair based on inverse lithography and traditional optical proximity correction
Retransmission and retransmission request in data communication systems
Display apparatus, a method for a display control, and program
Document-related representative information
Mobile terminal and method for changing page thereof
Semiconductor device and manufacturing method thereof
  Randomly Featured Patents
Luminaire
Internal combustion engine control device
Block copolymers of lactone and lactam, compatabilizing agents, and compatibilized polymer blends
Digital filter for a modem sigma-delta analog-to-digital converter
Filter support for disposable coffee filters
Compact electronic cabinet cooler
Bag dryer
Converging air lens structures
Corticotropin-releasing hormone receptor
Stack of equal layer neo-chips containing encapsulated IC chips of different sizes