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Class Information
Number: 111/157
Name: Planting > Drilling > Furrow opener > Rotary opener
Description: Apparatus wherein the opening element turns, spins, or revolves about an axis.

Sub-classes under this class:

Class Number Class Name Patents
111/163 Disk 41
111/158 Power rotated 11

Patents under this class:

Patent Number Title Of Patent Date Issued
8590466 Multi-purpose soil cultivating and seeding apparatus Nov. 26, 2013
7946231 Single arm row cleaner May. 24, 2011
6644224 Apparatus for preparing soil for the placement of seed and additive Nov. 11, 2003
6135037 Lifting mechanism for a seeding machine row cleaner Oct. 24, 2000
6003453 Flanged seeding drum Dec. 21, 1999
5970892 Trash cleaning structure for a furrow opening device Oct. 26, 1999
5878678 Trash cleaning structure for a furrow opening device Mar. 9, 1999
5685246 Planting assembly for seed drill Nov. 11, 1997
5666892 Combined farm machine performing all of the seeding operations in one pass Sep. 16, 1997
5619939 Disc opener Apr. 15, 1997
5588382 Zone tiller attachment for planters Dec. 31, 1996
5509363 Seed drill guide assembly Apr. 23, 1996
5461995 Rotary row cleaner with reversible spring Oct. 31, 1995
5417172 Seeder May. 23, 1995
5341754 Rotary row cleaner for a planter Aug. 30, 1994
5269237 Seed sowing apparatus Dec. 14, 1993
5255617 Ridge preparation tool for seed planting equipment Oct. 26, 1993
5060585 Agricultural seed planter Oct. 29, 1991
4492172 Method and apparatus for producing non-rhizoming grasses Jan. 8, 1985
4408551 Row planter Oct. 11, 1983
4294181 Subsoil agricultural implement with rotatable disc Oct. 13, 1981
4177743 Seedling transplanter Dec. 11, 1979
4044697 No till seed drill Aug. 30, 1977

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