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Class Information
Number: 172/71
Name: Earth working > With drive means for tool or cleaner > With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) > Non-driven tool follows path of driven tool
Description: Apparatus in which the nondriven earth working element follows the path of the driven earth working element.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6926092 |
Hydraulic tiller assembly |
Aug. 9, 2005 |
| 6644416 |
Tiller |
Nov. 11, 2003 |
| 6554078 |
Multi-function farm implement for treating soil |
Apr. 29, 2003 |
| 6467550 |
Hydraulic tiller assembly |
Oct. 22, 2002 |
| 6056066 |
Soil regeneration apparatus and method |
May. 2, 2000 |
| 5743338 |
Conservation implement including a shredder |
Apr. 28, 1998 |
| 5265681 |
Landscape levelling and raking apparatus |
Nov. 30, 1993 |
| 5197551 |
Extended drag tool for a front tine tiller |
Mar. 30, 1993 |
| 5046346 |
Agricultural machine |
Sep. 10, 1991 |
| 4591001 |
Garden tillers |
May. 27, 1986 |
| 4560010 |
Soil layer cultivator with a pressure roller unit |
Dec. 24, 1985 |
| 4552079 |
Machine for planting seeds |
Nov. 12, 1985 |
| 4509438 |
Combination implement for agricultural cultivation |
Apr. 9, 1985 |
| 4499747 |
Power driven disc cultivator apparatus |
Feb. 19, 1985 |
| 4343366 |
Rotor tiller with reversely directed plow |
Aug. 10, 1982 |
| 4227580 |
Implement with side screening plates and soil roller |
Oct. 14, 1980 |
| 4197032 |
Apparatus and method for forming a continuous strip of paving |
Apr. 8, 1980 |
| 4140185 |
Soil cultivating implements |
Feb. 20, 1979 |
| 4127176 |
Soil cultivating implements |
Nov. 28, 1978 |
| 4114696 |
Cultivators |
Sep. 19, 1978 |
| 4114695 |
Rotary harrow with pivotable coupling assembly |
Sep. 19, 1978 |
| 4102402 |
Subsoiler |
Jul. 25, 1978 |
| 4072196 |
Cultivators |
Feb. 7, 1978 |
| 4059160 |
Rotary harrows |
Nov. 22, 1977 |
| 4051792 |
Structural orientation and protective apparatus for tillage assembly |
Oct. 4, 1977 |
| 4051902 |
Soil cultivating implements |
Oct. 4, 1977 |
| 4046202 |
Cultivators |
Sep. 6, 1977 |
| 4037544 |
Agricultural machine |
Jul. 26, 1977 |
| 4023510 |
Depth control and protective apparatus for tillage assembly |
May. 17, 1977 |
| 3983943 |
Soil cultivating implement combinations |
Oct. 5, 1976 |
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