Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/220
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Reciprocating work holder > Rectilinear > Work rotating > Long helix
Description: Abrading machine which grinds a helical form on a workpiece.










Patents under this class:

Patent Number Title Of Patent Date Issued
6120364 Grinding fixture and assembly Sep. 19, 2000
5807164 Method and device for regrinding grooved tools Sep. 15, 1998
5321912 Mover reel blade relief grinding device Jun. 21, 1994
5125186 Drill grinding machine Jun. 30, 1992
5097634 Tool grinder apparatus and method Mar. 24, 1992
4916866 End mill sharpener Apr. 17, 1990
4890419 Device for grinding cutting tools having straight and spiral grooves Jan. 2, 1990
4546575 Method for precision grinding of end mounted objects Oct. 15, 1985
4497139 Apparatus for precision grinding of end mounted objects Feb. 5, 1985
4339894 Convoluted shirring wheel Jul. 20, 1982
4163345 Arrangement for the grinding of rotary profile cutters Aug. 7, 1979
4157635 Grinding machine for grinding a helical groove in a workpiece of tapering axial section Jun. 12, 1979











 
 
  Recently Added Patents
Tablet computer
Push mechanism for efficiently sending aggregated data items to client
Method and apparatus for providing auto-completion of information
Mobile camera localization using depth maps
Flexible quantization
Crowd control barrier II
Combined imaging and radiation therapy
  Randomly Featured Patents
System and method for cost accounting in a healthcare environment
Video pachinko on a video platform as a gaming device
Liquefaction of wastes with product oil recycling
Adjustable hinged derail
Bathing enclosure for a bathtub
Low pressure recirculation valve
Initial program load control system in a multiprocessor system
Method for smoothing appearance of an ink jet print
Gun rest
Embedded inductor devices and fabrication methods thereof