Abrading Patents (Class 451)
- Utilizing shield (mask or stencil) (Class 451/29)
- Tumbling (Class 451/32)
- Utilizing fluent abradant (Class 451/36)
- Glass or stone abrading (Class 451/41)
- Razor, knife, or scissors sharpening (Class 451/45)
- Gauge abrading (Class 451/46)
- Gear or worm abrading (Class 451/47)
- Drill, thread, thread cutter, reamer, or rotary cutter abrading (Class 451/48)
- Roll, roller, shaft, ball, or piston abrading (Class 451/49)
- Ring, tube, bushing, sleeve, or cylinder abrading (Class 451/51)
- With critical temperature modification or control of work or abradant (Class 451/53)
- With critical nonabrading work treating (Class 451/54)
- With tool treating or forming (Class 451/56)
- Combined abrading (Class 451/57)
- Utilizing nonrigid tool (Class 451/59)
- Abradant supplying (Class 451/60)
- Hollow work (Class 451/61)
- Cam (Class 451/62)
- Side face of disk (Class 451/63)
- Combined (Class 451/65)
- Graining box (Class 451/74)
- Sandblast (Class 451/75)
- Scouring device (Class 451/103)
- Immersion (Class 451/113)
- By use of plural work holders, without tool (Class 451/114)
- Rotary reciprocating tool (Class 451/119)
- Reciprocating tool (Class 451/162)
- Rotary tool (Class 451/177)
- Endless band tool (Class 451/296)
- Stationary tool (Class 451/312)
- Tumbling device (Class 451/326)
- To textile machine to abrade card (Class 451/416)
- To electrical machine to abrade commutator (Class 451/418)
- To cutting machine to sharpen blade (Class 451/419)
- Roll or wheel abrader (Class 451/424)
- To rail (Class 451/429)
- Valve or valve seat abrader (Class 451/430)
- To sewing machine (Class 451/432)
- To vehicle (Class 451/434)
- To lathe (Class 451/435)
- To work guide (Class 451/438)
- To the work (Class 451/439)
- Internal abrader (Class 451/440)
- Orbital tool (Class 451/441)
- Dressing (Class 451/443)
- Tool cleaner (Class 451/444)
- Erasing shield (Class 451/445)
- Abradant supplying (Class 451/446)
- Button cleaning shield (Class 451/448)
- Cooling (Class 451/449)
- Guard or housing (Class 451/451)
- Abrading sheet applying device (Class 451/458)
- Strop surface renewing (Class 451/459)
- Work-mounting device (Class 451/460)
- With tool supply or storage (Class 451/491)
- Having magnetic or suction tool holding means (Class 451/494)
- Contour-adjustable support (Class 451/495)
- Including tool holding slot in rotary tool support (Class 451/496)
- Including longitudinal tool holding slot (Class 451/502)
- Including expansible external surface (Class 451/504)
- Including headed, axially disposed, tool holding member on rotary support (Class 451/508)
- Including taper or wedge tool holding member (Class 451/512)
- Including endless band tool holding member (Class 451/513)
- Including resiliently urged tool holding member (Class 451/514)
- Including tool holder having tool surface depressor (Class 451/520)
- Including threaded means to retain tool holder (Class 451/521)
- Manually manipulated (Class 451/523)
