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Class Information
Number: 30/347
Name: Cutlery > Blades > Rotary
Description: Blades in which the blade is so constructed as to be rotated during the cutting operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6052974 |
Adjustable height head for string trimmer |
Apr. 25, 2000 |
| 6052907 |
Vegetation trimmer head |
Apr. 25, 2000 |
| 6038774 |
Sprinkler head trimmer |
Mar. 21, 2000 |
| 6035511 |
String trimmer head with opposing centrifugal forces filament feed |
Mar. 14, 2000 |
| 6023847 |
Apparatus for cutting vegetation |
Feb. 15, 2000 |
| 5996233 |
String and string trimmer operation |
Dec. 7, 1999 |
| 5987756 |
Head and head assembly for a string trimmer |
Nov. 23, 1999 |
| 5979064 |
String trimmer with fixed string head |
Nov. 9, 1999 |
| 5940972 |
Rotary knife blade |
Aug. 24, 1999 |
| 5906051 |
Height adjustable anti-gouging ground guide system for vegetation trimmer |
May. 25, 1999 |
| 5906053 |
Rotary cutting blade having a laser hardened cutting edge and a method for making the same with a laser |
May. 25, 1999 |
| 5901448 |
String trimmer head |
May. 11, 1999 |
| 5896666 |
Head for string trimmer |
Apr. 27, 1999 |
| 5887349 |
Blade assembly with self-braking flail cutting elements |
Mar. 30, 1999 |
| 5887348 |
Head for string trimmer |
Mar. 30, 1999 |
| 5875700 |
Brush cutting blade |
Mar. 2, 1999 |
| 5862598 |
Unitary hub for vegetation cutting devices |
Jan. 26, 1999 |
| 5862658 |
Grass remover for termite bait station |
Jan. 26, 1999 |
| 5852876 |
Vegetation trimmer head |
Dec. 29, 1998 |
| 5845405 |
Cutting tool |
Dec. 8, 1998 |
| 5836227 |
Weed cutter head |
Nov. 17, 1998 |
| 5815928 |
Portable powered lawn and garden tool |
Oct. 6, 1998 |
| 5814176 |
Process for forming double-strand monofilament line for use in flexible line trimmers |
Sep. 29, 1998 |
| 5809655 |
Apparatus for cutting of plants |
Sep. 22, 1998 |
| 5806192 |
Line feed configuration for line trimmers |
Sep. 15, 1998 |
| 5791054 |
Rotary cutters |
Aug. 11, 1998 |
| 5774993 |
Hand-held working tool, especially trimmer or edge cutter |
Jul. 7, 1998 |
| 5761817 |
Rotary hand knife |
Jun. 9, 1998 |
| 5761816 |
Aerodynamic cutting string |
Jun. 9, 1998 |
| 5758424 |
Head for string trimmer |
Jun. 2, 1998 |
| 5735049 |
Mowing nylon cutter and mowing machine |
Apr. 7, 1998 |
| 5722172 |
Cutting attachment for rotary cutting apparatus |
Mar. 3, 1998 |
| 5713259 |
Saw disc for a high speed hand sawing machine |
Feb. 3, 1998 |
| 5709942 |
Product and process improvement of coated polymeric monofilament |
Jan. 20, 1998 |
| 5697835 |
Oscillating cutting blades |
Dec. 16, 1997 |
| 5692307 |
Rotary knife blade |
Dec. 2, 1997 |
| 5687482 |
Rotating trimming line for brush cutters |
Nov. 18, 1997 |
| 5671536 |
Line feed configuration for line trimmers |
Sep. 30, 1997 |
| 5659964 |
Light weight rotary vegetation cutting heads |
Aug. 26, 1997 |
| 5659960 |
Line feed configuration for line trimmers |
Aug. 26, 1997 |
| 5644844 |
Filament trimmer |
Jul. 8, 1997 |
| 5623765 |
Feed-out mechanism for rotary mower cutting head |
Apr. 29, 1997 |
| 5617636 |
Trail blazing stumpcutter |
Apr. 8, 1997 |
| 5615543 |
Rotary cutting head |
Apr. 1, 1997 |
| 5592992 |
Lawn edger blade assembly |
Jan. 14, 1997 |
| 5526572 |
Cutting head for a cord type mower |
Jun. 18, 1996 |
| 5524350 |
Cutting line filled with inorganic grit material |
Jun. 11, 1996 |
| 5522140 |
Cutting head for a cord type mower |
Jun. 4, 1996 |
| 5522141 |
Cutting head for a cord type mower |
Jun. 4, 1996 |
| 5493785 |
Rotary grass cutting head |
Feb. 27, 1996 |
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