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Class Information
Number: 172/700
Name: Earth working > Tool, standard or connection > Subsoilers > With separate vertically spaced earth working portion attached to same standard
Description: Apparatus wherein a subsoil earth working element is secured to the lower end of a standard to work the earth below the surface, and a separate earth working element is attached to the same standard and spaced vertically above the subsoil earth working element to work the earth adjacent the surface of the ground.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6119791 |
Apparatus/method for reforming cultivation rows |
Sep. 19, 2000 |
| 6064923 |
Aircraft with reduced wing structure loading |
May. 16, 2000 |
| 5964300 |
Wear shin for a tillage implement |
Oct. 12, 1999 |
| 5787991 |
Adjustable angle ridger for a cultivator |
Aug. 4, 1998 |
| 5605196 |
Multi-piece subsoiler unit for an agricultural implement |
Feb. 25, 1997 |
| 5462389 |
Undersea cable burial plowshare and sled apparatus |
Oct. 31, 1995 |
| 5437337 |
Tillage unit with reduced disturbance of surface residue and soil |
Aug. 1, 1995 |
| 5409068 |
Dual penetration combination sweep with ripper |
Apr. 25, 1995 |
| 5350022 |
Attachment assembly for wear caps ripper teeth |
Sep. 27, 1994 |
| 4699220 |
Row crop aerator |
Oct. 13, 1987 |
| 4679635 |
Self-tripping rippers |
Jul. 14, 1987 |
| 4538689 |
Subsoil plow point |
Sep. 3, 1985 |
| 4403662 |
One-pass complete tillage system |
Sep. 13, 1983 |
| 4336844 |
Farm implement |
Jun. 29, 1982 |
| 4331204 |
Tillage implement |
May. 25, 1982 |
| 4245706 |
One-pass complete tillage system |
Jan. 20, 1981 |
| 4204579 |
Cultivator with pivotal tines |
May. 27, 1980 |
| 4127073 |
Subsoil tillage tooth |
Nov. 28, 1978 |
| 4102407 |
Reforestation tillage mechanism |
Jul. 25, 1978 |
| 4015667 |
Cotton stalk and root shredder with re-bedder |
Apr. 5, 1977 |
| 3935906 |
Adjustable height soil conditioner with frame extending rearwardly from cultivating implement |
Feb. 3, 1976 |
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